Adding Form subtype in templates (#3527)

pkg/Microsoft.Dotnet.WinForms.ProjectTemplates/content/WinFormsApplication-CSharp/.template.config/template.json

@@ -69,6 +69,11 @@
       "path": "Form1.cs"
     }
   ],
+  "sources": [
+    {
+      "exclude": [ "**/[Bb]in/**", "**/[Oo]bj/**", ".template.config/**/*", "**/*.filelist", "**/*.lock.json" ]
+    }
+  ],
   "defaultName": "WinFormsApp1",
   "postActions": [
     {

pkg/Microsoft.Dotnet.WinForms.ProjectTemplates/content/WinFormsApplication-CSharp/Company.WinFormsApplication1.csproj.user

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+    <ItemGroup>
+        <Compile Update="Form1.cs">
+            <SubType>Form</SubType>
+        </Compile>
+    </ItemGroup>
+</Project>

pkg/Microsoft.Dotnet.WinForms.ProjectTemplates/content/WinFormsApplication-VisualBasic/.template.config/template.json

@@ -69,6 +69,11 @@
       "path": "Form1.vb"
     }
   ],
+  "sources": [
+    {
+      "exclude": [ "**/[Bb]in/**", "**/[Oo]bj/**", ".template.config/**/*", "**/*.filelist", "**/*.lock.json" ]
+    }
+  ],
   "defaultName": "WinFormsApp1",
   "postActions": [
     {

pkg/Microsoft.Dotnet.WinForms.ProjectTemplates/content/WinFormsApplication-VisualBasic/Company.WinFormsApplication1.vbproj.user

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+    <ItemGroup>
+        <Compile Update="Form1.vb">
+            <SubType>Form</SubType>
+        </Compile>
+    </ItemGroup>
+</Project>

pkg/Microsoft.Dotnet.WinForms.ProjectTemplates/readme.md

@@ -4,7 +4,7 @@ We provide the following templates:
 * [Windows Forms app (C#)](./content/WinFormsApplication-CSharp)
 * [Windows Forms app (VB)](./content/WinFormsApplication-VisualBasic)
 * [Windows Forms class library (C#)](./content/WinFormsLibrary-CSharp)
-* [Windows Forms class library (C#)](./content/WinFormsLibrary-VisualBasic)
+* [Windows Forms class library (VB)](./content/WinFormsLibrary-VisualBasic)
 
 ## Testing Templates