IDirectDrawSurface::UpdateOverlayZOrder (Windows Embedded CE 6.0)
1/6/2010
This method sets the Z-order of an overlay.
Syntax
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 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 |
DDERR_NOTAOVERLAYSURFACE |
For more information on these error codes see DirectDraw Return Values.
Requirements
| Header | ddraw.h |
| Library | ddraw.lib |
| Windows Embedded CE | Windows Embedded CE 6.0 and later |