Sets the delegate which will be called when the user selects the "About..." entry on the context menu.
[Visual Basic] Overridable Protected Sub SetAboutBoxDelegate( _ ByVal d As AxHost.AboutBoxDelegate _ ) [C#] protected virtual void SetAboutBoxDelegate( AxHost.AboutBoxDelegate d ); [C++] protected: virtual void SetAboutBoxDelegate( AxHost.AboutBoxDelegate* d ); [JScript] protected function SetAboutBoxDelegate( d : AxHost.AboutBoxDelegate );