public override void StartEditing()
{
this.TextBox.KeyPress += new KeyPressEventHandler(OnKeyPress);
this.TextBox.LostFocus += new EventHandler(OnLostFocus);
base.StartEditing();
this.parentForm = this.EditingTable.FindForm();
if (this.DroppedDown)
{
this.ShowDropDown();
}
this.TextBox.Focus();
}