WPF判断当前窗体是否为模态

1 public static bool IsModal(this Window window)
2 {
3     return(bool)typeof(Window).GetField("_showingAsDialog", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(window);
4 }

1 public static bool IsModal(this Window window)
2 {
3     var filedInfo=typeof(Window).GetField("_showingAsDialog", BindingFlags.Instance | BindingFlags.NonPublic);
4 
5     return filedInfo!=null&&(bool)filedInfo.GetValue(window);
6 }