WinForms - OOP Designer migrate to Microsoft.WinForms.Designer.SDK

Only for Net Core (.Net 5/6/7)

Author: amaitland

CefSharp.WinForms/CefSharp.WinForms.netcore.csproj

@@ -55,7 +55,11 @@
 
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All"/>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.WinForms.Designer.SDK" Version="1.1.0-prerelease-preview3.22076.5">
+        <PrivateAssets>all</PrivateAssets>
+        <IncludeAssets>compile;runtime</IncludeAssets>
+    </PackageReference>
   </ItemGroup>
 
   <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk.WindowsDesktop" />

CefSharp.WinForms/ChromiumWebBrowserDesigner.cs

@@ -4,7 +4,11 @@
 
 using System.Collections;
 using System.Drawing;
+#if NETCOREAPP
+using Microsoft.DotNet.DesignTools.Designers;
+#else
 using System.Windows.Forms.Design;
+#endif
 
 namespace CefSharp.WinForms
 {