AccessibleObjectFromWindow 第三个参数guid如何获取
[DllImport("Oleacc.dll")]
static extern int AccessibleObjectFromWindow( IntPtr hwnd,int dwObjectID,ref Guid refID, ref IAccessible ppvObject);
------解决方案--------------------c# 有GUID类
------解决方案--------------------sting guid= Guid.NewGuid().ToString()