IDirectDrawSurface::GetFlipStatus

 
Microsoft DirectShow 9.0

IDirectDrawSurface::GetFlipStatus

The GetFlipStatus method returns OK if the surface that it is called on has finished its flipping process, otherwise it returns WASSTILLDRAWING.

Syntax

HRESULT GetFlipStatus(
  DWORD dwFlags
  );

Parameters

dwFlags

One of the following flags.

Value Description
DDGFS_CANFLIP Queries whether the surface can flip now. The method returns DD_OK if the flip can be completed.
DDGFS_ISFLIPDONE Queries whether the flip is done. The method returns DD_OK if the last flip on this surface has completed.

Return Values

Value Description
DD_OK The method succeeded.
DDERR_INVALIDPARAMS One or more of the input parameters is invalid.
DDERR_INVALIDOBJECT DirectDraw received a pointer that was an invalid DirectDraw object.
DDERR_SURFACELOST Access to this surface is being refused because the surface memory is gone. The DirectDrawSurface object representing this surface should have Restore called on it.
DDERR_UNSUPPORTED Action not supported.
DDERR_WASSTILLDRAWING Informs DirectDraw that the previous Blt which is transfering information to or from this Surface is incomplete.
DDERR_SURFACEBUSY Access to this surface is being refused because the surface is already locked by another thread.

See Also


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