Win32Exception
   在 MS.Win32.UnsafeNativeMethods.GetWindowText(HandleRef hWnd, StringBuilder lpString, Int32 nMaxCount)
   在 System.Windows.Automation.Peers.WindowAutomationPeer.GetNameCore()
   在 System.Windows.Automation.Peers.AutomationPeer.UpdateSubtree()
   在 System.Windows.Automation.Peers.AutomationPeer.UpdatePeer(Object arg)
   在 System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   在 System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)