How to enable or disable button based on Undo or Redo operations in WinForms GridControl?

private void gridControl1_CellsChanged(object sender, GridCellsChangedEventArgs e)
{
   //Enabling or disabling Undo and Redo buttons.
   if (this.gridControl1.CommandStack.UndoStack.Count > 0)
   {
   this.BtnUndo.Enabled =this.gridControl1.CommandStack.UndoStack.Count > 0;
   }
 
   if (this.gridControl1.CommandStack.RedoStack.Count > 0)
   {
   this.btnRedo.Enabled = this.gridControl1.CommandStack.RedoStack.Count > 0;
   }
}

Private Sub gridControl1_CellsChanged(ByVal sender As Object, ByVal e As GridCellsChangedEventArgs)
   'Enabling or disabling Undo and Redo buttons.
   If Me.gridControl1.CommandStack.UndoStack.Count > 0 Then
   Me.BtnUndo.Enabled =Me.gridControl1.CommandStack.UndoStack.Count > 0
   End If
 
   If Me.gridControl1.CommandStack.RedoStack.Count > 0 Then
   Me.btnRedo.Enabled = Me.gridControl1.CommandStack.RedoStack.Count > 0
   End If
End Sub