public static bool? OpenDialogForPost(Window Owner, Action[] Actions, int MillisecondsTimeout)
 {
     if (_WaitWindow == null)
     {
         _WaitWindow = new WaitWindow(Owner, Actions, true, MillisecondsTimeout);
         return _WaitWindow.ShowDialog();
     }
     else
     {
         _WaitWindow.Topmost = true;
         _WaitWindow.Owner = Owner;
         _WaitWindow._Actions = Actions;
         _WaitWindow._IsPost = true;
         _WaitWindow._MillisecondsTimeout = MillisecondsTimeout;
         return _WaitWindow.ShowDialog();
     }
 }
 public static bool? OpenDialogForSend(Window Owner, Action[] Actions)
 {
     if (_WaitWindow == null)
     {
         _WaitWindow = new WaitWindow(Owner, Actions, false);
         return _WaitWindow.ShowDialog();
     }
     else
     {
         _WaitWindow.Topmost = true;
         _WaitWindow.Owner = Owner;
         _WaitWindow._Actions = Actions;
         _WaitWindow._IsPost = false;
         return _WaitWindow.ShowDialog();
     }
 }