From e6282d56881b5fee20d0764f1998db4b3e2377fd Mon Sep 17 00:00:00 2001
From: Zachary Danz <zsd4yr@virginia.edu>
Date: Fri, 22 Feb 2019 15:47:28 -0800
Subject: [PATCH 1/3] fix downgrade netcore platforms

---
 Directory.Build.targets | 5 +++++
 eng/Versions.props      | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/Directory.Build.targets b/Directory.Build.targets
index 30861be2b59..bc9b533266b 100644
--- a/Directory.Build.targets
+++ b/Directory.Build.targets
@@ -3,4 +3,9 @@
   <Import Project="$(RepositoryEngineeringDir)CodeStyle.targets" />
   <Import Project="Sdk.targets" Sdk="Microsoft.DotNet.Arcade.Sdk" />
   <Import Project="$(RepositoryEngineeringDir)versioning.targets" />
+  <!-- to prevent using MS.NC.Platforms from SDK, which is lagging behind the version that WinForms gets from the CoreFx packages -->
+  <ItemGroup>
+    <PackageReference Update="Microsoft.NETCore.Platforms" Version="$(MicrosoftNETCorePlatformsPackageVersion)" />
+  </ItemGroup>
 </Project>
+
diff --git a/eng/Versions.props b/eng/Versions.props
index 25fce4ca549..a5c05f56d56 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -17,6 +17,9 @@
     <SystemSecurityPermissionsPackageVersion>4.6.0-preview4.19118.6</SystemSecurityPermissionsPackageVersion>
     <SystemWindowsExtensionsPackageVersion>4.6.0-preview4.19118.6</SystemWindowsExtensionsPackageVersion>
   </PropertyGroup>
+  <PropertyGroup>
+    <MicrosoftNETCorePlatformsVersion>3.0.0-preview4.19118.1</MicrosoftNETCorePlatformsVersion>
+  </PropertyGroup>
   <PropertyGroup>
     <AccessibilityPackageVersion>4.6.0-alpha-27122-5</AccessibilityPackageVersion>
     <XUnitStaFactPackageVersion>0.3.5</XUnitStaFactPackageVersion>

From f7ede36dcb8a02d2e2bff9fc62f13a08adb76554 Mon Sep 17 00:00:00 2001
From: Zachary Danz <zsd4yr@virginia.edu>
Date: Fri, 22 Feb 2019 15:56:28 -0800
Subject: [PATCH 2/3] MicrosoftNETCorePlatforms is a CoreFX dependency

---
 eng/Versions.props | 2 --
 1 file changed, 2 deletions(-)

diff --git a/eng/Versions.props b/eng/Versions.props
index a5c05f56d56..be7806a1833 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -16,8 +16,6 @@
     <SystemCodeDomPackageVersion>4.6.0-preview4.19118.6</SystemCodeDomPackageVersion>
     <SystemSecurityPermissionsPackageVersion>4.6.0-preview4.19118.6</SystemSecurityPermissionsPackageVersion>
     <SystemWindowsExtensionsPackageVersion>4.6.0-preview4.19118.6</SystemWindowsExtensionsPackageVersion>
-  </PropertyGroup>
-  <PropertyGroup>
     <MicrosoftNETCorePlatformsVersion>3.0.0-preview4.19118.1</MicrosoftNETCorePlatformsVersion>
   </PropertyGroup>
   <PropertyGroup>

From 9245a96fa4d846441188b8630e776d76abc3972b Mon Sep 17 00:00:00 2001
From: Zachary Danz <zsd4yr@virginia.edu>
Date: Mon, 25 Feb 2019 10:17:19 -0800
Subject: [PATCH 3/3] change version to match other CoreFX dependencies; add to
 Version.Details.xml

---
 eng/Version.Details.xml | 4 ++++
 eng/Versions.props      | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 0ddf07eca0f..12606255c72 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -33,6 +33,10 @@
       <Uri>https://github.com/dotnet/corefx</Uri>
       <Sha>dca39727b02ceb4413d0fde11467965099ab4a2f</Sha>
     </Dependency>
+    <Dependency Name="Microsoft.NETCore.Platforms" Version="4.6.0-preview4.19118.6">
+      <Uri>https://github.com/dotnet/corefx</Uri>
+      <Sha>dca39727b02ceb4413d0fde11467965099ab4a2f</Sha>
+    </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
     <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="1.0.0-beta.19121.5">
diff --git a/eng/Versions.props b/eng/Versions.props
index be7806a1833..b3d930b3089 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -16,7 +16,7 @@
     <SystemCodeDomPackageVersion>4.6.0-preview4.19118.6</SystemCodeDomPackageVersion>
     <SystemSecurityPermissionsPackageVersion>4.6.0-preview4.19118.6</SystemSecurityPermissionsPackageVersion>
     <SystemWindowsExtensionsPackageVersion>4.6.0-preview4.19118.6</SystemWindowsExtensionsPackageVersion>
-    <MicrosoftNETCorePlatformsVersion>3.0.0-preview4.19118.1</MicrosoftNETCorePlatformsVersion>
+    <MicrosoftNETCorePlatformsVersion>4.6.0-preview4.19118.6</MicrosoftNETCorePlatformsVersion>
   </PropertyGroup>
   <PropertyGroup>
     <AccessibilityPackageVersion>4.6.0-alpha-27122-5</AccessibilityPackageVersion>