protected override void OnSubscribeControlEvents (Control control)
{
base.OnSubscribeControlEvents (control);
this.ComboBox.DropDown += new EventHandler (HandleDropDown);
this.ComboBox.DropDownClosed += new EventHandler(HandleDropDownClosed);
this.ComboBox.DropDownStyleChanged += new EventHandler (HandleDropDownStyleChanged);
this.ComboBox.SelectedIndexChanged += new EventHandler (HandleSelectedIndexChanged);
this.ComboBox.TextChanged += new EventHandler (HandleTextChanged);
this.ComboBox.TextUpdate += new EventHandler (HandleTextUpdate);
}