IDirectDrawSurface5::EnumOverlayZOrders (Windows CE 5.0)
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:
| DDERR_INVALIDOBJECT |
| DDERR_INVALIDPARAMS |
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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