Update the WinForms sample to support High DPI

Directory.Build.targets

@@ -129,6 +129,7 @@
 
   <PropertyGroup
     Condition=" ('$(TargetFrameworkIdentifier)' == '.NETCoreApp' And $([MSBuild]::VersionGreaterThanOrEquals($(TargetFrameworkVersion), '6.0'))) ">
+    <DefineConstants>$(DefineConstants);SUPPORTS_APPLICATION_CONFIGURATION_INITIALIZATION</DefineConstants>
     <DefineConstants>$(DefineConstants);SUPPORTS_DIRECT_JSON_ELEMENT_SERIALIZATION</DefineConstants>
     <DefineConstants>$(DefineConstants);SUPPORTS_JSON_NODES</DefineConstants>
     <DefineConstants>$(DefineConstants);SUPPORTS_ONE_SHOT_RANDOM_NUMBER_GENERATOR_METHODS</DefineConstants>

sandbox/OpenIddict.Sandbox.WinForms.Client/App.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+  <System.Windows.Forms.ApplicationConfigurationSection>
+    <add key="DpiAwareness" value="PerMonitorV2" />
+  </System.Windows.Forms.ApplicationConfigurationSection>
+</configuration>

sandbox/OpenIddict.Sandbox.WinForms.Client/OpenIddict.Sandbox.WinForms.Client.csproj

@@ -5,6 +5,8 @@
     <TargetFrameworks>net48</TargetFrameworks>
     <TargetFrameworks Condition=" '$(SupportsWindowsTargeting)' == 'true' ">$(TargetFrameworks);net8.0-windows7.0</TargetFrameworks>
     <UseWindowsForms>true</UseWindowsForms>
+    <ApplicationManifest>app.manifest</ApplicationManifest>
+    <ApplicationHighDpiMode>PerMonitorV2</ApplicationHighDpiMode>
   </PropertyGroup>
 
   <ItemGroup>

sandbox/OpenIddict.Sandbox.WinForms.Client/Program.cs

@@ -7,6 +7,10 @@ using OpenIddict.Client;
 using OpenIddict.Sandbox.WinForms.Client;
 using static OpenIddict.Abstractions.OpenIddictConstants;
 
+#if SUPPORTS_APPLICATION_CONFIGURATION_INITIALIZATION
+ApplicationConfiguration.Initialize();
+#endif
+
 var host = new HostBuilder()
     // Note: applications for which a single instance is preferred can reference
     // the Dapplo.Microsoft.Extensions.Hosting.AppServices package and call this

sandbox/OpenIddict.Sandbox.WinForms.Client/app.manifest

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+  <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/>
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
+    <security>
+      <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
+        <requestedExecutionLevel level="asInvoker" uiAccess="false" />
+      </requestedPrivileges>
+    </security>
+  </trustInfo>
+
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}" />
+      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}" />
+      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />
+      <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}" />
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
+    </application>
+  </compatibility>
+
+</assembly>