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IDirectDrawSurface::EnumOverlayZOrders (Compact 2013)

3/26/2014

This method enumerates the overlay surfaces on the specified destination. The overlays can be enumerated in front-to-back or back-to-front order.

Syntax

HRESULT EnumOverlayZOrders(
  DWORD dwFlags, 
  LPVOID lpContext, 
  LPDDENUMSURFACESCALLBACK lpfnCallback
); 

Parameters

  • dwFlags
    The following table shows the possible flags.

    Flag

    Description

    DDENUMOVERLAYZ_FRONTTOBACK

    Enumerates overlays front to back.

  • lpContext
    Address of the user-defined context that will be passed to the callback function for each overlay surface.
  • lpfnCallback
    Address of the EnumSurfacesCallback callback function that will be called for each surface being overlaid on this surface.

Return Value

If the method succeeds, the return value is DD_OK.

If the method fails, the return value may be one of the following error values:

DDERR_INVALIDOBJECT

DDERR_INVALIDPARAMS

For more information on these error codes see DirectDraw Return Values.

Requirements

Header

ddraw.h

Library

ddraw.lib

See Also

Reference

IDirectDrawSurface
DirectDraw Reference
DirectDraw Interfaces

Other Resources

DirectDraw