1

WebTest/MainWindow.xaml.cs

@@ -95,7 +95,7 @@ private string registerName = "webContext";
                     if (args.PermissionKind == CoreWebView2PermissionKind.ClipboardRead)
                         args.State = CoreWebView2PermissionState.Allow;
                 };
-                w2m.wb2.CoreWebView2.AddHostObjectToScript(registerName, this.globalContext);
+                w2m.wb2.CoreWebView2.AddHostObjectToScript("webContext", this.globalContext);
             };
 
             w2m.Init();

WebTest/WebTest.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <OutputType>Exe</OutputType>
+    <OutputType>WinExe</OutputType>
     <TargetFramework>net6.0-windows</TargetFramework>
     <Nullable>enable</Nullable>
     <UseWPF>true</UseWPF>