IDirectDrawSurface5::EnumOverlayZOrders (Windows CE 5.0)

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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, LPDDENUMSURFACESCALLBACK2 lpfnCallback);

Parameters

• dwFlags
  The following table shows the possible flags.

  Flag	Description
  DDENUMOVERLAYZ_BACKTOFRONT	Enumerates overlays back to front.
  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 EnumSurfacesCallback2 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:

Remarks

This method differs from its counterparts in previous interface versions in that it accepts a pointer to an EnumSurfacesCallback2 function, rather than an EnumSurfacesCallback function.

Requirements

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
Header: Ddraw.h.
Link Library: Ddraw.lib.

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