Unpackaged Custom Titlebar template Fix (#2969)

* inital commit

* comments

Co-authored-by: Shashank Nayak <[email protected]>

Author: ShashankNay

dev/VSIX/ProjectTemplates/Desktop/CSharp/PackagedApp/BlankApp/app.manifest

@@ -2,6 +2,16 @@
 <assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
   <assemblyIdentity version="1.0.0.0" name="$projectname$.app"/>
 
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!--The ID below informs the system that this application is compatible with OS features first introduced in Windows 8. 
+      For more info see https://docs.microsoft.com/windows/win32/sysinfo/targeting-your-application-at-windows-8-1 
+      
+      It is also necessary to support features in unpackaged applications, for example the custom titlebar implementation.-->
+      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />
+    </application>
+  </compatibility>
+  
   <application xmlns="urn:schemas-microsoft-com:asm.v3">
     <windowsSettings>
       <!-- The combination of below two tags have the following effect:
@@ -12,4 +22,4 @@
       <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2, PerMonitor</dpiAwareness>
     </windowsSettings>
   </application>
-</assembly>
+</assembly>

dev/VSIX/ProjectTemplates/Desktop/CSharp/SingleProjectPackagedApp/app.manifest

@@ -2,6 +2,16 @@
 <assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
   <assemblyIdentity version="1.0.0.0" name="$projectname$.app"/>
 
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!--The ID below informs the system that this application is compatible with OS features first introduced in Windows 8. 
+      For more info see https://docs.microsoft.com/windows/win32/sysinfo/targeting-your-application-at-windows-8-1 
+      
+      It is also necessary to support features in unpackaged applications, for example the custom titlebar implementation.-->
+      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />
+    </application>
+  </compatibility>
+  
   <application xmlns="urn:schemas-microsoft-com:asm.v3">
     <windowsSettings>
       <!-- The combination of below two tags have the following effect:
@@ -12,4 +22,4 @@
       <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2, PerMonitor</dpiAwareness>
     </windowsSettings>
   </application>
-</assembly>
+</assembly>

dev/VSIX/ProjectTemplates/Desktop/CppWinRT/PackagedApp/BlankApp/app.manifest

@@ -2,6 +2,16 @@
 <assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
   <assemblyIdentity version="1.0.0.0" name="$projectname$.app"/>
 
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!--The ID below informs the system that this application is compatible with OS features first introduced in Windows 8. 
+      For more info see https://docs.microsoft.com/windows/win32/sysinfo/targeting-your-application-at-windows-8-1 
+      
+      It is also necessary to support features in unpackaged applications, for example the custom titlebar implementation.-->
+      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />
+    </application>
+  </compatibility>
+  
   <application xmlns="urn:schemas-microsoft-com:asm.v3">
     <windowsSettings>
       <!-- The combination of below two tags have the following effect:
@@ -12,4 +22,4 @@
       <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2, PerMonitor</dpiAwareness>
     </windowsSettings>
   </application>
-</assembly>
+</assembly>

dev/VSIX/ProjectTemplates/Desktop/CppWinRT/SingleProjectPackagedApp/app.manifest

@@ -2,6 +2,16 @@
 <assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
   <assemblyIdentity version="1.0.0.0" name="$projectname$.app"/>
 
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!--The ID below informs the system that this application is compatible with OS features first introduced in Windows 8. 
+      For more info see https://docs.microsoft.com/windows/win32/sysinfo/targeting-your-application-at-windows-8-1 
+      
+      It is also necessary to support features in unpackaged applications, for example the custom titlebar implementation.-->
+      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />
+    </application>
+  </compatibility>
+  
   <application xmlns="urn:schemas-microsoft-com:asm.v3">
     <windowsSettings>
       <!-- The combination of below two tags have the following effect:
@@ -12,4 +22,4 @@
       <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2, PerMonitor</dpiAwareness>
     </windowsSettings>
   </application>
-</assembly>
+</assembly>