RichControl overrides the default implementation of this for AX sourcing. ActiveX controls can "freeze" their events, and we implement this by returning null here if events are frozen.
[Visual Basic] Overrides Protected Function GetEventHandler( _ ByVal key As Object _ ) As Delegate [C#] protected override Delegate GetEventHandler( object key ); [C++] protected: override Delegate* GetEventHandler( Object* key ); [JScript] protected override function GetEventHandler( key : Object ) : Delegate;
RichControl Class | RichControl Members | System.WinForms Namespace