InvalidOperationException: CoreWebView2 members cannot be accessed after the WebView2 control is disposed.
StackTrace:
   於 Microsoft.Web.WebView2.Core.CoreWebView2Controller.MoveFocus(CoreWebView2MoveFocusReason reason)
   於 Microsoft.Web.WebView2.Wpf.WebView2.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   於 System.Windows.Interop.HwndHost.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   於 MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   於 System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   於 System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

COMException: 群組或資源不是處在執行要求操作的正確狀態。 (Exception from HRESULT: 0x8007139F)
StackTrace:
   於 Microsoft.Web.WebView2.Core.Raw.ICoreWebView2Controller.MoveFocus(COREWEBVIEW2_MOVE_FOCUS_REASON reason)
   於 Microsoft.Web.WebView2.Core.CoreWebView2Controller.MoveFocus(CoreWebView2MoveFocusReason reason)