Generates an OnDockOver event.
procedure DoDockOver(Source: TDragDockObject; X: Integer; Y: Integer; State: TDragState; var Accept: Boolean); dynamic;
__fastcall DoDockOver(TDragDockObject Source, int X, int Y, TDragState State, Boolean Accept);
DoDockOver is called by the DockOver method to generate an OnDockOver event when the user drags a dockable control over the windowed control. Override this method to perform some other action or to suppress the event.