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

  
    
   gs

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