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IDirectDrawSurface5::ChangeUniquenessValue

  • Article

This method manually updates the uniqueness value for this surface.

HRESULT ChangeUniquenessValue();

Parameters

None.

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_EXCEPTION
DDERR_INVALIDOBJECT
DDERR_INVALIDPARAMS

Remarks

DirectDraw automatically updates uniqueness values whenever the contents of a surface change.

Requirements

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
Header: Ddraw.h.
Link Library: Ddraw.lib.

See Also

IDirectDrawSurface5::GetUniquenessValue

 Last updated on Thursday, April 08, 2004

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