OnBackKeyPress 后退键的禁止

protected override void OnBackKeyPress(System.ComponentModel.CancelEventArgs e)         {             base.OnBackKeyPress(e);

            if (!MessageBox.Show("Are you sure to give up current Trip?", "Trip Edit", MessageBoxButton.OKCancel).Equals(MessageBoxResult.OK))             {                 e.Cancel = true;             }         }

转载于:https://www.cnblogs.com/binaryworms/archive/2012/07/24/2606813.html

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