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IDirectDrawSurface::EnumOverlayZOrders

  • Artigo

A version of this page is also available for

Windows Embedded CE 6.0 R3

4/8/2010

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.

Remarks

Requirements

Header ddraw.h
Library ddraw.lib
Windows Embedded CE Windows Embedded CE 6.0 and later
Windows Mobile Pocket PC for Windows Mobile Version 5.0 and later, Smartphone for Windows Mobile Version 5.0 and later