AddOverlayDirtyRect
Applies to

TDirectDrawSurface

Declaration

procedure AddOverlayDirtyRect( const Rect: TRect );

Description

Calls the interface AddOverlayDirtyRect method to build the list of the rectangles that need to be updated the next time the UpdateOverlayDisplay method is called. See IDirectDrawSurface3::AddOverlayDirtyRect for more information.