IDirectDrawSurface::EnumOverlayZOrders

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

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 Values

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

Remarks

Requirements

Pocket PC: Windows Mobile 5.0 and later
Smartphone: Windows Mobile 5.0 and later
OS Versions: Windows CE 5.01 and later
Header: Ddraw.h.
Library: Ddraw.lib.

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