IDirectDrawSurface::UpdateOverlayZOrder

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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

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