Add app.manifest to Offscreen example so GPU acceleration works on windows 10

CefSharp.MinimalExample.OffScreen/CefSharp.MinimalExample.OffScreen.csproj

@@ -58,6 +58,9 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
+  <PropertyGroup>
+    <ApplicationManifest>app.manifest</ApplicationManifest>
+  </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -84,6 +87,7 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />
+    <None Include="app.manifest" />
     <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />

CefSharp.MinimalExample.OffScreen/app.manifest

@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="utf-8"?>
+<asmv1:assembly
+  manifestVersion="1.0"
+  xmlns="urn:schemas-microsoft-com:asm.v1"
+  xmlns:asmv1="urn:schemas-microsoft-com:asm.v1"
+  xmlns:asmv2="urn:schemas-microsoft-com:asm.v2"
+  xmlns:asmv3="urn:schemas-microsoft-com:asm.v3"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+
+  <assemblyIdentity version="51.0.0.0" name="CefSharp.MinimalExample.Offscreen.app" />
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
+    <security>
+      <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
+        <!-- UAC Manifest Options
+            If you want to change the Windows User Account Control level replace the 
+            requestedExecutionLevel node with one of the following.
+
+        <requestedExecutionLevel  level="asInvoker" uiAccess="false" />
+        <requestedExecutionLevel  level="requireAdministrator" uiAccess="false" />
+        <requestedExecutionLevel  level="highestAvailable" uiAccess="false" />
+
+            Specifying requestedExecutionLevel node will disable file and registry virtualization.
+            If you want to utilize File and Registry Virtualization for backward 
+            compatibility then delete the requestedExecutionLevel node.
+        -->
+        <requestedExecutionLevel level="asInvoker" uiAccess="false" />
+      </requestedPrivileges>
+    </security>
+  </trustInfo>
+
+  <asmv3:application>
+    <asmv3:windowsSettings xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">
+      <dpiAware>true</dpiAware>
+    </asmv3:windowsSettings>
+  </asmv3:application>
+
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- A list of all Windows versions that this application is designed to work with. 
+      Windows will automatically select the most compatible environment.-->
+
+      <!-- Windows 7 -->
+      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}" />
+      <!-- Windows 8 -->
+      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />
+      <!-- Windows 8.1 -->
+      <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}" />
+      <!-- Windows 10 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
+    </application>
+  </compatibility>
+
+  <!-- Enable themes for Windows common controls and dialogs (Windows XP and later) -->
+  <dependency>
+    <dependentAssembly>
+      <assemblyIdentity type="Win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" processorArchitecture="*" publicKeyToken="6595b64144ccf1df" language="*"/>
+    </dependentAssembly>
+  </dependency>
+
+</asmv1:assembly>

NuGet.config

@@ -4,7 +4,6 @@
         <add key="All" value="(Aggregate source)" />
     </activePackageSource>
   <packageSources>
-    <add key="NuGet official package source" value="https://nuget.org/api/v2/" />
     <add key="cefsharp-myget" value="https://www.myget.org/F/cefsharp/" />
   </packageSources>
 </configuration>