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ListBox+ObjectCollection.xml
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1111 lines (1048 loc) · 88.9 KB
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<Type Name="ListBox+ObjectCollection" FullName="System.Windows.Forms.ListBox+ObjectCollection">
<TypeSignature Language="C#" Value="public class ListBox.ObjectCollection : System.Collections.IList" />
<TypeSignature Language="ILAsm" Value=".class nested public auto ansi beforefieldinit ListBox/ObjectCollection extends System.Object implements class System.Collections.ICollection, class System.Collections.IEnumerable, class System.Collections.IList" />
<TypeSignature Language="DocId" Value="T:System.Windows.Forms.ListBox.ObjectCollection" />
<TypeSignature Language="VB.NET" Value="Public Class ListBox.ObjectCollection
Implements IList" />
<TypeSignature Language="C++ CLI" Value="public: ref class ListBox::ObjectCollection : System::Collections::IList" />
<TypeSignature Language="F#" Value="type ListBox.ObjectCollection = class
 interface IList
 interface ICollection
 interface IEnumerable" />
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Base>
<BaseTypeName>System.Object</BaseTypeName>
</Base>
<Interfaces>
<Interface>
<InterfaceName>System.Collections.ICollection</InterfaceName>
</Interface>
<Interface>
<InterfaceName>System.Collections.IEnumerable</InterfaceName>
</Interface>
<Interface>
<InterfaceName>System.Collections.IList</InterfaceName>
</Interface>
</Interfaces>
<Attributes>
<Attribute>
<AttributeName Language="C#">[System.ComponentModel.ListBindable(false)]</AttributeName>
<AttributeName Language="F#">[<System.ComponentModel.ListBindable(false)>]</AttributeName>
</Attribute>
</Attributes>
<Docs>
<summary>Represents the collection of items in a <see cref="T:System.Windows.Forms.ListBox" />.</summary>
<remarks>
<format type="text/markdown"><]
[!code-csharp[System.Windows.Forms.ListBoxExample#1](~/samples/snippets/csharp/VS_Snippets_Winforms/System.Windows.Forms.ListBoxExample/CS/form1.cs#1)]
[!code-vb[System.Windows.Forms.ListBoxExample#1](~/samples/snippets/visualbasic/VS_Snippets_Winforms/System.Windows.Forms.ListBoxExample/VB/form1.vb#1)]
]]></format>
</remarks>
<altmember cref="T:System.Windows.Forms.ListBox.SelectedObjectCollection" />
<altmember cref="T:System.Windows.Forms.ListBox.SelectedIndexCollection" />
</Docs>
<Members>
<MemberGroup MemberName=".ctor">
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Docs>
<summary>Initializes a new instance of <see cref="T:System.Windows.Forms.ListBox.ObjectCollection" />.</summary>
</Docs>
</MemberGroup>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public ObjectCollection (System.Windows.Forms.ListBox owner);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(class System.Windows.Forms.ListBox owner) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.#ctor(System.Windows.Forms.ListBox)" />
<MemberSignature Language="VB.NET" Value="Public Sub New (owner As ListBox)" />
<MemberSignature Language="C++ CLI" Value="public:
 ObjectCollection(System::Windows::Forms::ListBox ^ owner);" />
<MemberSignature Language="F#" Value="new System.Windows.Forms.ListBox.ObjectCollection : System.Windows.Forms.ListBox -> System.Windows.Forms.ListBox.ObjectCollection" Usage="new System.Windows.Forms.ListBox.ObjectCollection owner" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
</Attributes>
<Parameters>
<Parameter Name="owner" Type="System.Windows.Forms.ListBox" />
</Parameters>
<Docs>
<param name="owner">The <see cref="T:System.Windows.Forms.ListBox" /> that owns the collection.</param>
<summary>Initializes a new instance of <see cref="T:System.Windows.Forms.ListBox.ObjectCollection" />.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
You cannot create an instance of this class without associating it with a <xref:System.Windows.Forms.ListBox> control.
]]></format>
</remarks>
<exception cref="T:System.ArgumentNullException">.NET 5.0 and later: <paramref name="owner" /> is <see langword="null" />.</exception>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public ObjectCollection (System.Windows.Forms.ListBox owner, object[] value);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(class System.Windows.Forms.ListBox owner, object[] value) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.#ctor(System.Windows.Forms.ListBox,System.Object[])" />
<MemberSignature Language="VB.NET" Value="Public Sub New (owner As ListBox, value As Object())" />
<MemberSignature Language="C++ CLI" Value="public:
 ObjectCollection(System::Windows::Forms::ListBox ^ owner, cli::array <System::Object ^> ^ value);" />
<MemberSignature Language="F#" Value="new System.Windows.Forms.ListBox.ObjectCollection : System.Windows.Forms.ListBox * obj[] -> System.Windows.Forms.ListBox.ObjectCollection" Usage="new System.Windows.Forms.ListBox.ObjectCollection (owner, value)" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Parameters>
<Parameter Name="owner" Type="System.Windows.Forms.ListBox" />
<Parameter Name="value" Type="System.Object[]" />
</Parameters>
<Docs>
<param name="owner">The <see cref="T:System.Windows.Forms.ListBox" /> that owns the collection.</param>
<param name="value">An array of objects to add to the collection.</param>
<summary>Initializes a new instance of <see cref="T:System.Windows.Forms.ListBox.ObjectCollection" /> containing an array of objects.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
You cannot create an instance of this class without associating it with a <xref:System.Windows.Forms.ListBox> control.
]]></format>
</remarks>
<exception cref="T:System.ArgumentNullException">.NET 5.0 and later: Either <paramref name="owner" /> or <paramref name="value" /> is <see langword="null" />.</exception>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public ObjectCollection (System.Windows.Forms.ListBox owner, System.Windows.Forms.ListBox.ObjectCollection value);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(class System.Windows.Forms.ListBox owner, class System.Windows.Forms.ListBox/ObjectCollection value) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.#ctor(System.Windows.Forms.ListBox,System.Windows.Forms.ListBox.ObjectCollection)" />
<MemberSignature Language="VB.NET" Value="Public Sub New (owner As ListBox, value As ListBox.ObjectCollection)" />
<MemberSignature Language="C++ CLI" Value="public:
 ObjectCollection(System::Windows::Forms::ListBox ^ owner, System::Windows::Forms::ListBox::ObjectCollection ^ value);" />
<MemberSignature Language="F#" Value="new System.Windows.Forms.ListBox.ObjectCollection : System.Windows.Forms.ListBox * System.Windows.Forms.ListBox.ObjectCollection -> System.Windows.Forms.ListBox.ObjectCollection" Usage="new System.Windows.Forms.ListBox.ObjectCollection (owner, value)" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Parameters>
<Parameter Name="owner" Type="System.Windows.Forms.ListBox" />
<Parameter Name="value" Type="System.Windows.Forms.ListBox+ObjectCollection" />
</Parameters>
<Docs>
<param name="owner">The <see cref="T:System.Windows.Forms.ListBox" /> that owns the collection.</param>
<param name="value">A <see cref="T:System.Windows.Forms.ListBox.ObjectCollection" /> from which the contents are copied to this collection.</param>
<summary>Initializes a new instance of <see cref="T:System.Windows.Forms.ListBox.ObjectCollection" /> based on another <see cref="T:System.Windows.Forms.ListBox.ObjectCollection" />.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
You cannot create an instance of this class without associating it with a <xref:System.Windows.Forms.ListBox> control. This version of the constructor enables you to use the items specified in an existing instance of the <xref:System.Windows.Forms.ListBox.ObjectCollection> class to add items to the collection when it is created. You can use this constructor to use the items specified in another <xref:System.Windows.Forms.ListBox> control with this collection.
]]></format>
</remarks>
<exception cref="T:System.ArgumentNullException">.NET 5.0 and later: Either <paramref name="owner" /> or <paramref name="value" /> is <see langword="null" />.</exception>
</Docs>
</Member>
<Member MemberName="Add">
<MemberSignature Language="C#" Value="public int Add (object item);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance int32 Add(object item) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.Add(System.Object)" />
<MemberSignature Language="VB.NET" Value="Public Function Add (item As Object) As Integer" />
<MemberSignature Language="C++ CLI" Value="public:
 int Add(System::Object ^ item);" />
<MemberSignature Language="F#" Value="member this.Add : obj -> int" Usage="objectCollection.Add item" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="item" Type="System.Object" />
</Parameters>
<Docs>
<param name="item">An object representing the item to add to the collection.</param>
<summary>Adds an item to the list of items for a <see cref="T:System.Windows.Forms.ListBox" />.</summary>
<returns>The zero-based index of the item in the collection, or -1 if <see cref="M:System.Windows.Forms.ListBox.BeginUpdate" /> has been called.</returns>
<remarks>
<format type="text/markdown"><]
[!code-csharp[Classic ListBox Example#1](~/samples/snippets/csharp/VS_Snippets_Winforms/Classic ListBox Example/CS/source.cs#1)]
[!code-vb[Classic ListBox Example#1](~/samples/snippets/visualbasic/VS_Snippets_Winforms/Classic ListBox Example/VB/source.vb#1)]
]]></format>
</remarks>
<exception cref="T:System.SystemException">There is insufficient space available to add the new item to the list.</exception>
<exception cref="T:System.ArgumentNullException">
<paramref name="item" /> is <see langword="null" />.</exception>
</Docs>
</Member>
<MemberGroup MemberName="AddRange">
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Docs>
<summary>Adds a group of items to the list of items for a <see cref="T:System.Windows.Forms.ListBox" />.</summary>
</Docs>
</MemberGroup>
<Member MemberName="AddRange">
<MemberSignature Language="C#" Value="public void AddRange (object[] items);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance void AddRange(object[] items) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.AddRange(System.Object[])" />
<MemberSignature Language="VB.NET" Value="Public Sub AddRange (items As Object())" />
<MemberSignature Language="C++ CLI" Value="public:
 void AddRange(cli::array <System::Object ^> ^ items);" />
<MemberSignature Language="F#" Value="member this.AddRange : obj[] -> unit" Usage="objectCollection.AddRange items" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="items" Type="System.Object[]" />
</Parameters>
<Docs>
<param name="items">An array of objects to add to the list.</param>
<summary>Adds an array of items to the list of items for a <see cref="T:System.Windows.Forms.ListBox" />.</summary>
<remarks>
<format type="text/markdown"><]
[!code-csharp[System.Windows.Forms.ListBoxExample#1](~/samples/snippets/csharp/VS_Snippets_Winforms/System.Windows.Forms.ListBoxExample/CS/form1.cs#1)]
[!code-vb[System.Windows.Forms.ListBoxExample#1](~/samples/snippets/visualbasic/VS_Snippets_Winforms/System.Windows.Forms.ListBoxExample/VB/form1.vb#1)]
]]></format>
</remarks>
<exception cref="T:System.ArgumentNullException">.NET 5.0 and later: <paramref name="items" /> is <see langword="null" />.</exception>
<altmember cref="M:System.Windows.Forms.ListBox.ObjectCollection.Add(System.Object)" />
</Docs>
</Member>
<Member MemberName="AddRange">
<MemberSignature Language="C#" Value="public void AddRange (System.Windows.Forms.ListBox.ObjectCollection value);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance void AddRange(class System.Windows.Forms.ListBox/ObjectCollection value) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.AddRange(System.Windows.Forms.ListBox.ObjectCollection)" />
<MemberSignature Language="VB.NET" Value="Public Sub AddRange (value As ListBox.ObjectCollection)" />
<MemberSignature Language="C++ CLI" Value="public:
 void AddRange(System::Windows::Forms::ListBox::ObjectCollection ^ value);" />
<MemberSignature Language="F#" Value="member this.AddRange : System.Windows.Forms.ListBox.ObjectCollection -> unit" Usage="objectCollection.AddRange value" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="value" Type="System.Windows.Forms.ListBox+ObjectCollection" />
</Parameters>
<Docs>
<param name="value">A <see cref="T:System.Windows.Forms.ListBox.ObjectCollection" /> to load into this collection.</param>
<summary>Adds the items of an existing <see cref="T:System.Windows.Forms.ListBox.ObjectCollection" /> to the list of items in a <see cref="T:System.Windows.Forms.ListBox" />.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
If the <xref:System.Windows.Forms.ListBox.Sorted%2A> property of the <xref:System.Windows.Forms.ListBox> is set to `true`, the items are inserted into the list alphabetically. Otherwise, the items are inserted in the order that they occur within the array. This method is typically passed an array of <xref:System.String> objects, but an array of any type of object can be passed to this method. When an object is added to the collection, the <xref:System.Windows.Forms.ListBox> first checks to see if the <xref:System.Windows.Forms.ListControl.DisplayMember%2A> property of the <xref:System.Windows.Forms.ListControl> class has the name of a member from the object specified to reference when obtaining the item text. If the <xref:System.Windows.Forms.ListControl.DisplayMember%2A> property does not have a member specified, the <xref:System.Windows.Forms.ListBox> then calls the <xref:System.Object.ToString%2A> method of the object to obtain the text to display in the list.
When using this method to add items to the <xref:System.Windows.Forms.ListBox>, you do not need to call the <xref:System.Windows.Forms.ListBox.BeginUpdate%2A> and <xref:System.Windows.Forms.ListBox.EndUpdate%2A> methods to optimize performance. When adding items to a <xref:System.Windows.Forms.ListBox>, it is more efficient to sort the items first and then add new items. You can use this method to reuse the items stored in a different <xref:System.Windows.Forms.ListBox>.
]]></format>
</remarks>
<exception cref="T:System.ArgumentNullException">.NET 5.0 and later: <paramref name="value" /> is <see langword="null" />.</exception>
<altmember cref="M:System.Windows.Forms.ListBox.ObjectCollection.Add(System.Object)" />
</Docs>
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<Member MemberName="Clear">
<MemberSignature Language="C#" Value="public virtual void Clear ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance void Clear() cil managed" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.Clear" />
<MemberSignature Language="VB.NET" Value="Public Overridable Sub Clear ()" />
<MemberSignature Language="C++ CLI" Value="public:
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<MemberSignature Language="F#" Value="abstract member Clear : unit -> unit
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<InterfaceMember>M:System.Collections.IList.Clear</InterfaceMember>
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<AssemblyVersion>2.0.0.0</AssemblyVersion>
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<AssemblyVersion>5.0.0.0</AssemblyVersion>
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<Parameters />
<Docs>
<summary>Removes all items from the collection.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
When you remove items from the list, all information about the deleted items is lost. To remove a single item from the <xref:System.Windows.Forms.ListBox>, use the <xref:System.Windows.Forms.ListBox.ObjectCollection.Remove%2A> or <xref:System.Windows.Forms.ListBox.ObjectCollection.RemoveAt%2A> method.
]]></format>
</remarks>
</Docs>
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<Member MemberName="Contains">
<MemberSignature Language="C#" Value="public bool Contains (object value);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance bool Contains(object value) cil managed" FrameworkAlternate="net-5.0" />
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<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
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<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="value" Type="System.Object" />
</Parameters>
<Docs>
<param name="value">An object representing the item to locate in the collection.</param>
<summary>Determines whether the specified item is located within the collection.</summary>
<returns>
<see langword="true" /> if the item is located within the collection; otherwise, <see langword="false" />.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The <xref:System.Windows.Forms.ListBox.ObjectCollection.Contains%2A> method enables you to determine whether an object is a member of the collection. Once you know that the item is located within the collection, you can use the <xref:System.Windows.Forms.ListBox.ObjectCollection.IndexOf%2A> method to determine where the item is located within the collection.
]]></format>
</remarks>
<exception cref="T:System.ArgumentNullException">
<paramref name="value" /> is <see langword="null" />.</exception>
<altmember cref="M:System.Windows.Forms.ListBox.ObjectCollection.IndexOf(System.Object)" />
<altmember cref="M:System.Windows.Forms.ListBox.FindString(System.String)" />
<altmember cref="M:System.Windows.Forms.ListBox.FindStringExact(System.String)" />
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<MemberSignature Language="ILAsm" Value=".method public hidebysig instance void CopyTo(object[] destination, int32 arrayIndex) cil managed" FrameworkAlternate="net-5.0;netcore-3.0;netcore-3.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8" />
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<MemberSignature Language="C#" Value="public void CopyTo (object[] dest, int arrayIndex);" FrameworkAlternate="netframework-1.1" />
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<MemberSignature Language="VB.NET" Value="Public Sub CopyTo (dest As Object(), arrayIndex As Integer)" FrameworkAlternate="netframework-1.1" />
<MemberSignature Language="C++ CLI" Value="public:
 void CopyTo(cli::array <System::Object ^> ^ dest, int arrayIndex);" FrameworkAlternate="netframework-1.1" />
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<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
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<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
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<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="destination" Type="System.Object[]" Index="0" FrameworkAlternate="net-5.0;netcore-3.0;netcore-3.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8" />
<Parameter Name="dest" Type="System.Object[]" Index="0" FrameworkAlternate="netframework-1.1" />
<Parameter Name="arrayIndex" Type="System.Int32" Index="1" />
</Parameters>
<Docs>
<param name="destination">The object array to which the items from the collection are copied.</param>
<param name="dest">The object array to which the items from the collection are copied.</param>
<param name="arrayIndex">The location within the destination array to copy the items from the collection to.</param>
<summary>Copies the entire collection into an existing array of objects at a specified location within the array.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
You can use this method to combine the items from multiple collections into a single array. You can then use this array to populate the contents of another <xref:System.Windows.Forms.ListBox> control using the <xref:System.Windows.Forms.ListBox.ObjectCollection.AddRange%2A> method of the <xref:System.Windows.Forms.ListBox.ObjectCollection> class.
]]></format>
</remarks>
<exception cref="T:System.ArgumentNullException">.NET 5.0 and later: <paramref name="destination" /> is <see langword="null" />.</exception>
</Docs>
</Member>
<Member MemberName="Count">
<MemberSignature Language="C#" Value="public int Count { get; }" />
<MemberSignature Language="ILAsm" Value=".property instance int32 Count" />
<MemberSignature Language="DocId" Value="P:System.Windows.Forms.ListBox.ObjectCollection.Count" />
<MemberSignature Language="VB.NET" Value="Public ReadOnly Property Count As Integer" />
<MemberSignature Language="C++ CLI" Value="public:
 property int Count { int get(); };" />
<MemberSignature Language="F#" Value="member this.Count : int" Usage="System.Windows.Forms.ListBox.ObjectCollection.Count" />
<MemberType>Property</MemberType>
<Implements>
<InterfaceMember>P:System.Collections.ICollection.Count</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets the number of items in the collection.</summary>
<value>The number of items in the collection</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
This property enables you to determine the number of items in the <xref:System.Windows.Forms.ListBox>. You can then use this value when you are looping through the values of the collection and you need to provide a number of iterations to perform the loop.
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="GetEnumerator">
<MemberSignature Language="C#" Value="public System.Collections.IEnumerator GetEnumerator ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance class System.Collections.IEnumerator GetEnumerator() cil managed" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.GetEnumerator" />
<MemberSignature Language="VB.NET" Value="Public Function GetEnumerator () As IEnumerator" />
<MemberSignature Language="C++ CLI" Value="public:
 virtual System::Collections::IEnumerator ^ GetEnumerator();" />
<MemberSignature Language="F#" Value="abstract member GetEnumerator : unit -> System.Collections.IEnumerator
override this.GetEnumerator : unit -> System.Collections.IEnumerator" Usage="objectCollection.GetEnumerator " />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.Collections.IEnumerable.GetEnumerator</InterfaceMember>
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<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Collections.IEnumerator</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>Returns an enumerator to use to iterate through the item collection.</summary>
<returns>An <see cref="T:System.Collections.IEnumerator" /> that represents the item collection.</returns>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="IndexOf">
<MemberSignature Language="C#" Value="public int IndexOf (object value);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance int32 IndexOf(object value) cil managed" FrameworkAlternate="net-5.0" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.IndexOf(System.Object)" />
<MemberSignature Language="VB.NET" Value="Public Function IndexOf (value As Object) As Integer" />
<MemberSignature Language="C++ CLI" Value="public:
 int IndexOf(System::Object ^ value);" FrameworkAlternate="net-5.0" />
<MemberSignature Language="F#" Value="member this.IndexOf : obj -> int" Usage="objectCollection.IndexOf value" FrameworkAlternate="net-5.0" />
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<MemberSignature Language="F#" Value="abstract member IndexOf : obj -> int
override this.IndexOf : obj -> int" Usage="objectCollection.IndexOf value" FrameworkAlternate="netcore-3.0;netcore-3.1;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8" />
<MemberType>Method</MemberType>
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<InterfaceMember FrameworkAlternate="netcore-3.0;netcore-3.1;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8">M:System.Collections.IList.IndexOf(System.Object)</InterfaceMember>
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<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
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<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="value" Type="System.Object" />
</Parameters>
<Docs>
<param name="value">An object representing the item to locate in the collection.</param>
<summary>Returns the index within the collection of the specified item.</summary>
<returns>The zero-based index where the item is located within the collection; otherwise, negative one (-1).</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The <xref:System.Windows.Forms.ListBox.ObjectCollection.IndexOf%2A> method enables you to determine where an item is located within the collection. To determine whether an item is located within the collection before calling this method, use the <xref:System.Windows.Forms.ListBox.ObjectCollection.Contains%2A> method.
]]></format>
</remarks>
<exception cref="T:System.ArgumentNullException">The <paramref name="value" /> parameter is null.</exception>
<altmember cref="M:System.Windows.Forms.ListBox.ObjectCollection.Contains(System.Object)" />
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</Member>
<Member MemberName="Insert">
<MemberSignature Language="C#" Value="public void Insert (int index, object item);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance void Insert(int32 index, object item) cil managed" FrameworkAlternate="net-5.0" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.Insert(System.Int32,System.Object)" />
<MemberSignature Language="VB.NET" Value="Public Sub Insert (index As Integer, item As Object)" />
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 void Insert(int index, System::Object ^ item);" FrameworkAlternate="net-5.0" />
<MemberSignature Language="F#" Value="member this.Insert : int * obj -> unit" Usage="objectCollection.Insert (index, item)" FrameworkAlternate="net-5.0" />
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<MemberSignature Language="C++ CLI" Value="public:
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<MemberSignature Language="F#" Value="abstract member Insert : int * obj -> unit
override this.Insert : int * obj -> unit" Usage="objectCollection.Insert (index, item)" FrameworkAlternate="netcore-3.0;netcore-3.1;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8" />
<MemberType>Method</MemberType>
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<InterfaceMember FrameworkAlternate="netcore-3.0;netcore-3.1;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8">M:System.Collections.IList.Insert(System.Int32,System.Object)</InterfaceMember>
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<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
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<Parameters>
<Parameter Name="index" Type="System.Int32" />
<Parameter Name="item" Type="System.Object" />
</Parameters>
<Docs>
<param name="index">The zero-based index location where the item is inserted.</param>
<param name="item">An object representing the item to insert.</param>
<summary>Inserts an item into the list box at the specified index.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
This method enables you to insert an item at a specific position within the <xref:System.Windows.Forms.ListBox>. If the <xref:System.Windows.Forms.ListBox.Sorted%2A> property of the <xref:System.Windows.Forms.ListBox> is set to true, the item is added in the correct position within the sorted list regardless of the values specified in the `index` parameter. When an object is added to the collection, the <xref:System.Windows.Forms.ListBox> first checks to see if the <xref:System.Windows.Forms.ListControl.DisplayMember%2A> property of the <xref:System.Windows.Forms.ListControl> class has the name of a member from the object specified to reference when obtaining the item text. If the <xref:System.Windows.Forms.ListControl.DisplayMember%2A> property does not have a member specified, the <xref:System.Windows.Forms.ListBox> then calls the <xref:System.Object.ToString%2A> method of the object to obtain the text to display in the list.
]]></format>
</remarks>
<exception cref="T:System.ArgumentOutOfRangeException">The <paramref name="index" /> parameter is less than zero or greater than value of the <see cref="P:System.Windows.Forms.ListBox.ObjectCollection.Count" /> property of the <see cref="T:System.Windows.Forms.ListBox.ObjectCollection" /> class.</exception>
<exception cref="T:System.ArgumentNullException">
<paramref name="item" /> is <see langword="null" />.</exception>
</Docs>
</Member>
<Member MemberName="IsReadOnly">
<MemberSignature Language="C#" Value="public bool IsReadOnly { get; }" />
<MemberSignature Language="ILAsm" Value=".property instance bool IsReadOnly" />
<MemberSignature Language="DocId" Value="P:System.Windows.Forms.ListBox.ObjectCollection.IsReadOnly" />
<MemberSignature Language="VB.NET" Value="Public ReadOnly Property IsReadOnly As Boolean" />
<MemberSignature Language="C++ CLI" Value="public:
 property bool IsReadOnly { bool get(); };" />
<MemberSignature Language="F#" Value="member this.IsReadOnly : bool" Usage="System.Windows.Forms.ListBox.ObjectCollection.IsReadOnly" />
<MemberType>Property</MemberType>
<Implements>
<InterfaceMember>P:System.Collections.IList.IsReadOnly</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets a value indicating whether the collection is read-only.</summary>
<value>
<see langword="true" /> if this collection is read-only; otherwise, <see langword="false" />.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
This property is always `false` for this collection.
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="Item">
<MemberSignature Language="C#" Value="public virtual object this[int index] { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance object Item(int32)" />
<MemberSignature Language="DocId" Value="P:System.Windows.Forms.ListBox.ObjectCollection.Item(System.Int32)" />
<MemberSignature Language="VB.NET" Value="Default Public Overridable Property Item(index As Integer) As Object" />
<MemberSignature Language="C++ CLI" Value="public:
 virtual property System::Object ^ default[int] { System::Object ^ get(int index); void set(int index, System::Object ^ value); };" />
<MemberSignature Language="F#" Value="member this.Item(int) : obj with get, set" Usage="System.Windows.Forms.ListBox.ObjectCollection.Item" />
<MemberType>Property</MemberType>
<Implements>
<InterfaceMember FrameworkAlternate="netcore-3.0;netcore-3.1;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8">P:System.Collections.IList.Item(System.Int32)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute>
<AttributeName Language="C#">[System.ComponentModel.Browsable(false)]</AttributeName>
<AttributeName Language="F#">[<System.ComponentModel.Browsable(false)>]</AttributeName>
</Attribute>
<Attribute>
<AttributeName Language="C#">[System.ComponentModel.DesignerSerializationVisibility(System.ComponentModel.DesignerSerializationVisibility.Hidden)]</AttributeName>
<AttributeName Language="F#">[<System.ComponentModel.DesignerSerializationVisibility(System.ComponentModel.DesignerSerializationVisibility.Hidden)>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.Object</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="index" Type="System.Int32" />
</Parameters>
<Docs>
<param name="index">The index of the item in the collection to get or set.</param>
<summary>Gets or sets the item at the specified index within the collection.</summary>
<value>An object representing the item located at the specified index within the collection.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
You can use this method to obtain the <xref:System.Windows.Forms.ListBox> item stored at a specific location within the collection. To determine the index of a specific item within the collection, use the <xref:System.Windows.Forms.ListBox.ObjectCollection.IndexOf%2A> method.
]]></format>
</remarks>
<exception cref="T:System.ArgumentOutOfRangeException">The <paramref name="index" /> parameter is less than zero or greater than or equal to the value of the <see cref="P:System.Windows.Forms.ListBox.ObjectCollection.Count" /> property of the <see cref="T:System.Windows.Forms.ListBox.ObjectCollection" /> class.</exception>
</Docs>
</Member>
<Member MemberName="Remove">
<MemberSignature Language="C#" Value="public void Remove (object value);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance void Remove(object value) cil managed" FrameworkAlternate="net-5.0" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.Remove(System.Object)" />
<MemberSignature Language="VB.NET" Value="Public Sub Remove (value As Object)" />
<MemberSignature Language="C++ CLI" Value="public:
 void Remove(System::Object ^ value);" FrameworkAlternate="net-5.0" />
<MemberSignature Language="F#" Value="member this.Remove : obj -> unit" Usage="objectCollection.Remove value" FrameworkAlternate="net-5.0" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance void Remove(object value) cil managed" FrameworkAlternate="netcore-3.0;netcore-3.1;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8" />
<MemberSignature Language="C++ CLI" Value="public:
 virtual void Remove(System::Object ^ value);" FrameworkAlternate="netcore-3.0;netcore-3.1;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8" />
<MemberSignature Language="F#" Value="abstract member Remove : obj -> unit
override this.Remove : obj -> unit" Usage="objectCollection.Remove value" FrameworkAlternate="netcore-3.0;netcore-3.1;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember FrameworkAlternate="netcore-3.0;netcore-3.1;netframework-1.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8">M:System.Collections.IList.Remove(System.Object)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="value" Type="System.Object" />
</Parameters>
<Docs>
<param name="value">An object representing the item to remove from the collection.</param>
<summary>Removes the specified object from the collection.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
When you remove an item from the list, the indexes change for subsequent items in the list. All information about the removed item is deleted. You can use this method to remove a specific item from the list by specifying the actual item to remove from the list. To specify the index of the item to remove instead of the item itself, use the <xref:System.Windows.Forms.ListBox.ObjectCollection.RemoveAt%2A> method. To remove all items from the list, use the <xref:System.Windows.Forms.ListBox.ObjectCollection.Clear%2A> method.
]]></format>
</remarks>
<altmember cref="M:System.Windows.Forms.ListBox.ObjectCollection.Clear" />
<altmember cref="M:System.Windows.Forms.ListBox.ObjectCollection.RemoveAt(System.Int32)" />
</Docs>
</Member>
<Member MemberName="RemoveAt">
<MemberSignature Language="C#" Value="public void RemoveAt (int index);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance void RemoveAt(int32 index) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.RemoveAt(System.Int32)" />
<MemberSignature Language="VB.NET" Value="Public Sub RemoveAt (index As Integer)" />
<MemberSignature Language="C++ CLI" Value="public:
 virtual void RemoveAt(int index);" />
<MemberSignature Language="F#" Value="abstract member RemoveAt : int -> unit
override this.RemoveAt : int -> unit" Usage="objectCollection.RemoveAt index" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.Collections.IList.RemoveAt(System.Int32)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="index" Type="System.Int32" />
</Parameters>
<Docs>
<param name="index">The zero-based index of the item to remove.</param>
<summary>Removes the item at the specified index within the collection.</summary>
<remarks>
<format type="text/markdown"><]
[!code-csharp[ListBox.SelectedIndex#1](~/samples/snippets/csharp/VS_Snippets_Winforms/ListBox.SelectedIndex/CS/form1.cs#1)]
[!code-vb[ListBox.SelectedIndex#1](~/samples/snippets/visualbasic/VS_Snippets_Winforms/ListBox.SelectedIndex/VB/form1.vb#1)]
]]></format>
</remarks>
<exception cref="T:System.ArgumentOutOfRangeException">The <paramref name="index" /> parameter is less than zero or greater than or equal to the value of the <see cref="P:System.Windows.Forms.ListBox.ObjectCollection.Count" /> property of the <see cref="T:System.Windows.Forms.ListBox.ObjectCollection" /> class.</exception>
<altmember cref="M:System.Windows.Forms.ListBox.ObjectCollection.Clear" />
<altmember cref="M:System.Windows.Forms.ListBox.ObjectCollection.Remove(System.Object)" />
</Docs>
</Member>
<Member MemberName="System.Collections.ICollection.CopyTo">
<MemberSignature Language="C#" Value="void ICollection.CopyTo (Array destination, int index);" FrameworkAlternate="net-5.0;netcore-3.0;netcore-3.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance void System.Collections.ICollection.CopyTo(class System.Array destination, int32 index) cil managed" FrameworkAlternate="net-5.0;netcore-3.0;netcore-3.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.System#Collections#ICollection#CopyTo(System.Array,System.Int32)" />
<MemberSignature Language="VB.NET" Value="Sub CopyTo (destination As Array, index As Integer) Implements ICollection.CopyTo" FrameworkAlternate="net-5.0;netcore-3.0;netcore-3.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8" />
<MemberSignature Language="C++ CLI" Value=" virtual void System.Collections.ICollection.CopyTo(Array ^ destination, int index) = System::Collections::ICollection::CopyTo;" FrameworkAlternate="net-5.0;netcore-3.0;netcore-3.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8" />
<MemberSignature Language="F#" Value="abstract member System.Collections.ICollection.CopyTo : Array * int -> unit
override this.System.Collections.ICollection.CopyTo : Array * int -> unit" Usage="objectCollection.System.Collections.ICollection.CopyTo (destination, index)" FrameworkAlternate="net-5.0;netcore-3.0;netcore-3.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8" />
<MemberSignature Language="C#" Value="void ICollection.CopyTo (Array dest, int index);" FrameworkAlternate="netframework-1.1" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance void System.Collections.ICollection.CopyTo(class System.Array dest, int32 index) cil managed" FrameworkAlternate="netframework-1.1" />
<MemberSignature Language="VB.NET" Value="Sub CopyTo (dest As Array, index As Integer) Implements ICollection.CopyTo" FrameworkAlternate="netframework-1.1" />
<MemberSignature Language="C++ CLI" Value=" virtual void System.Collections.ICollection.CopyTo(Array ^ dest, int index) = System::Collections::ICollection::CopyTo;" FrameworkAlternate="netframework-1.1" />
<MemberSignature Language="F#" Value="abstract member System.Collections.ICollection.CopyTo : Array * int -> unit
override this.System.Collections.ICollection.CopyTo : Array * int -> unit" Usage="objectCollection.System.Collections.ICollection.CopyTo (dest, index)" FrameworkAlternate="netframework-1.1" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.Collections.ICollection.CopyTo(System.Array,System.Int32)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="destination" Type="System.Array" Index="0" FrameworkAlternate="net-5.0;netcore-3.0;netcore-3.1;netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8" />
<Parameter Name="dest" Type="System.Array" Index="0" FrameworkAlternate="netframework-1.1" />
<Parameter Name="index" Type="System.Int32" Index="1" />
</Parameters>
<Docs>
<param name="destination">The one-dimensional array that is the destination of the elements copied from <see cref="T:System.Collections.ICollection" />. The array must have zero-based indexing.</param>
<param name="dest">The one-dimensional array that is the destination of the elements copied from <see cref="T:System.Collections.ICollection" />. The array must have zero-based indexing.</param>
<param name="index">The zero-based index in the array at which copying begins.</param>
<summary>Copies the elements of the collection to an array, starting at a particular array index.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
This member is an explicit interface member implementation. It can be used only when the <xref:System.Windows.Forms.ListBox.ObjectCollection> instance is cast to an <xref:System.Collections.ICollection> interface.
]]></format>
</remarks>
<forInternalUseOnly />
<exception cref="T:System.ArrayTypeMismatchException">The array type is not compatible with the items in the <see cref="T:System.Windows.Forms.ListBox.ObjectCollection" />.</exception>
<exception cref="T:System.ArgumentNullException">.NET 5.0 and later: <paramref name="destination" /> is <see langword="null" />.</exception>
</Docs>
</Member>
<Member MemberName="System.Collections.ICollection.IsSynchronized">
<MemberSignature Language="C#" Value="bool System.Collections.ICollection.IsSynchronized { get; }" />
<MemberSignature Language="ILAsm" Value=".property instance bool System.Collections.ICollection.IsSynchronized" />
<MemberSignature Language="DocId" Value="P:System.Windows.Forms.ListBox.ObjectCollection.System#Collections#ICollection#IsSynchronized" />
<MemberSignature Language="VB.NET" Value=" ReadOnly Property IsSynchronized As Boolean Implements ICollection.IsSynchronized" />
<MemberSignature Language="C++ CLI" Value="property bool System::Collections::ICollection::IsSynchronized { bool get(); };" />
<MemberSignature Language="F#" Value="member this.System.Collections.ICollection.IsSynchronized : bool" Usage="System.Collections.ICollection.IsSynchronized" />
<MemberType>Property</MemberType>
<Implements>
<InterfaceMember>P:System.Collections.ICollection.IsSynchronized</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Docs>
<summary>For a description of this member, see <see cref="P:System.Collections.ICollection.IsSynchronized" />.</summary>
<value>
<see langword="false" /> in all cases.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
This member is an explicit interface member implementation. It can be used only when the <xref:System.Windows.Forms.ListBox.ObjectCollection> instance is cast to an <xref:System.Collections.ICollection> interface.
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="System.Collections.ICollection.SyncRoot">
<MemberSignature Language="C#" Value="object System.Collections.ICollection.SyncRoot { get; }" />
<MemberSignature Language="ILAsm" Value=".property instance object System.Collections.ICollection.SyncRoot" />
<MemberSignature Language="DocId" Value="P:System.Windows.Forms.ListBox.ObjectCollection.System#Collections#ICollection#SyncRoot" />
<MemberSignature Language="VB.NET" Value=" ReadOnly Property SyncRoot As Object Implements ICollection.SyncRoot" />
<MemberSignature Language="C++ CLI" Value="property System::Object ^ System::Collections::ICollection::SyncRoot { System::Object ^ get(); };" />
<MemberSignature Language="F#" Value="member this.System.Collections.ICollection.SyncRoot : obj" Usage="System.Collections.ICollection.SyncRoot" />
<MemberType>Property</MemberType>
<Implements>
<InterfaceMember>P:System.Collections.ICollection.SyncRoot</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Object</ReturnType>
</ReturnValue>
<Docs>
<summary>For a description of this member, see <see cref="P:System.Collections.ICollection.SyncRoot" />.</summary>
<value>An object that can be used to synchronize access to the <see cref="T:System.Windows.Forms.ListBox.ObjectCollection" />.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
This member is an explicit interface member implementation. It can be used only when the <xref:System.Windows.Forms.ListBox.ObjectCollection> instance is cast to an <xref:System.Collections.ICollection> interface.
]]></format>
</remarks>
</Docs>
</Member>
<Member MemberName="System.Collections.IList.Add">
<MemberSignature Language="C#" Value="int IList.Add (object item);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance int32 System.Collections.IList.Add(object item) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.System#Collections#IList#Add(System.Object)" />
<MemberSignature Language="VB.NET" Value="Function Add (item As Object) As Integer Implements IList.Add" />
<MemberSignature Language="C++ CLI" Value=" virtual int System.Collections.IList.Add(System::Object ^ item) = System::Collections::IList::Add;" />
<MemberSignature Language="F#" Value="abstract member System.Collections.IList.Add : obj -> int
override this.System.Collections.IList.Add : obj -> int" Usage="objectCollection.System.Collections.IList.Add item" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.Collections.IList.Add(System.Object)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="item" Type="System.Object" />
</Parameters>
<Docs>
<param name="item">The object to be added to the <see cref="T:System.Windows.Forms.ListBox" />.</param>
<summary>Adds an object to the <see cref="T:System.Windows.Forms.ListBox" /> class.</summary>
<returns>The position into which the new element was inserted, or -1 to indicate that the item was not inserted into the collection.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
This member is an explicit interface member implementation. It can be used only when the <xref:System.Windows.Forms.ListBox.ObjectCollection> instance is cast to an <xref:System.Collections.IList> interface.
]]></format>
</remarks>
<forInternalUseOnly />
<exception cref="T:System.ArgumentNullException">
<paramref name="item" /> is <see langword="null" />.</exception>
<exception cref="T:System.ArgumentException">The current <see cref="T:System.Windows.Forms.ListBox" /> has a data source.</exception>
<exception cref="T:System.SystemException">There is insufficient space available to store the new item.</exception>
</Docs>
</Member>
<Member MemberName="System.Collections.IList.Contains">
<MemberSignature Language="C#" Value="bool IList.Contains (object value);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance bool System.Collections.IList.Contains(object value) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.System#Collections#IList#Contains(System.Object)" />
<MemberSignature Language="VB.NET" Value="Function Contains (value As Object) As Boolean Implements IList.Contains" />
<MemberSignature Language="C++ CLI" Value=" virtual bool System.Collections.IList.Contains(System::Object ^ value) = System::Collections::IList::Contains;" />
<MemberSignature Language="F#" Value="abstract member System.Collections.IList.Contains : obj -> bool
override this.System.Collections.IList.Contains : obj -> bool" Usage="objectCollection.System.Collections.IList.Contains value" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.Collections.IList.Contains(System.Object)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="value" Type="System.Object" Index="0" FrameworkAlternate="net-5.0" />
</Parameters>
<Docs>
<param name="value">The object to locate in the <see cref="T:System.Collections.IList" />.</param>
<summary>Determines whether the <see cref="T:System.Collections.IList" /> contains a specific value.</summary>
<returns>
<see langword="true" /> if the <see cref="T:System.Object" /> is found in the <see cref="T:System.Collections.IList" />; otherwise, <see langword="false" />.</returns>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="System.Collections.IList.IndexOf">
<MemberSignature Language="C#" Value="int IList.IndexOf (object value);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance int32 System.Collections.IList.IndexOf(object value) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.System#Collections#IList#IndexOf(System.Object)" />
<MemberSignature Language="VB.NET" Value="Function IndexOf (value As Object) As Integer Implements IList.IndexOf" />
<MemberSignature Language="C++ CLI" Value=" virtual int System.Collections.IList.IndexOf(System::Object ^ value) = System::Collections::IList::IndexOf;" />
<MemberSignature Language="F#" Value="abstract member System.Collections.IList.IndexOf : obj -> int
override this.System.Collections.IList.IndexOf : obj -> int" Usage="objectCollection.System.Collections.IList.IndexOf value" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember>M:System.Collections.IList.IndexOf(System.Object)</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.Windows.Forms</AssemblyName>
<AssemblyVersion>5.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="value" Type="System.Object" Index="0" FrameworkAlternate="net-5.0" />
</Parameters>
<Docs>
<param name="value">The object to locate in the <see cref="T:System.Collections.IList" />.</param>
<summary>Determines the index of a specific item in the <see cref="T:System.Collections.IList" />.</summary>
<returns>The index of <paramref name="value" /> if found in the list; otherwise, -1.</returns>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="System.Collections.IList.Insert">
<MemberSignature Language="C#" Value="void IList.Insert (int index, object item);" />
<MemberSignature Language="ILAsm" Value=".method hidebysig newslot virtual instance void System.Collections.IList.Insert(int32 index, object item) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Windows.Forms.ListBox.ObjectCollection.System#Collections#IList#Insert(System.Int32,System.Object)" />
<MemberSignature Language="VB.NET" Value="Sub Insert (index As Integer, item As Object) Implements IList.Insert" />
<MemberSignature Language="C++ CLI" Value=" virtual void System.Collections.IList.Insert(int index, System::Object ^ item) = System::Collections::IList::Insert;" />
<MemberSignature Language="F#" Value="abstract member System.Collections.IList.Insert : int * obj -> unit
override this.System.Collections.IList.Insert : int * obj -> unit" Usage="objectCollection.System.Collections.IList.Insert (index, item)" />
<MemberType>Method</MemberType>
<Implements>