IDirectDrawSurface::UpdateOverlayZOrder
This method sets the Z-order of an overlay.
HRESULT UpdateOverlayZOrder(
DWORD dwFlags,
LPDIRECTDRAWSURFACE lpDDSReference
);
Parameters
dwFlags
The following table shows the possible flags.Flag Description DDOVERZ_INSERTINBACKOF Inserts this overlay in the overlay chain behind the reference overlay. DDOVERZ_INSERTINFRONTOF Inserts this overlay in the overlay chain in front of the reference overlay. DDOVERZ_MOVEBACKWARD Moves this overlay one position backward in the overlay chain. DDOVERZ_MOVEFORWARD Moves this overlay one position forward in the overlay chain. DDOVERZ_SENDTOBACK Moves this overlay to the back of the overlay chain. DDOVERZ_SENDTOFRONT Moves this overlay to the front of the overlay chain. lpDDSReference
Address of the IDirectDrawSurface interface for the DirectDraw surface to be used as a relative position in the overlay chain. This parameter is needed only for DDOVERZ_INSERTINBACKOF and DDOVERZ_INSERTINFRONTOF.
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 |
| DDERR_NOTAOVERLAYSURFACE |
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.
See Also
IDirectDrawSurface::EnumOverlayZOrders
Send Feedback on this topic to the authors