private void showUndoHistoryToolStripMenuItem_Click(object sender, EventArgs e)
 {
     _undoForm       = new UndoHistoryForm(this);
     _undoForm.Owner = this;
     _undoForm.Show();
     _undoForm.UpdateValues();
 }
 private void ShowUndoHistoryMenuItem_Click(object sender, EventArgs e)
 {
     _undoForm = new UndoHistoryForm(this)
     {
         Owner = this
     };
     _undoForm.Show();
     _undoForm.UpdateValues();
 }
		private void showUndoHistoryToolStripMenuItem_Click(object sender, EventArgs e)
		{
			undoForm = new UndoHistoryForm(this);
			undoForm.Owner = this;
			undoForm.Show();
			undoForm.UpdateValues();
		}