This is the code that actually fires the dropDown event. Don't forget to call base.onDropDown() to ensure that dropDown events are correctly fired at all other times.
[Visual Basic] Overridable Protected Sub OnDropDown( _ ByVal e As EventArgs _ ) [C#] protected virtual void OnDropDown( EventArgs e ); [C++] protected: virtual void OnDropDown( EventArgs* e ); [JScript] protected function OnDropDown( e : EventArgs );
ComboBox Class | ComboBox Members | System.WinForms Namespace