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    private void MainControl_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.Control && e.KeyCode == Keys.Z)
            {
                //undoButton.PerformClick();
                UndoRedoManager.Undo();
            }
            else if (e.Control && e.KeyCode == Keys.Y)
            {
                //redoButton.PerformClick();
                UndoRedoManager.Redo();
            }
        }