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the TDx_Library
the TDx9_Library
- Description
The TDx_DrawSurface::GetPrivateData method will retrieve the surface's private data.
If the method call fails, one of the following values will be returned:
DDERR_EXPIRED
DDERR_INVALIDOBJECT
DDERR_INVALIDPARAMS
DDERR_MOREDATA
DDERR_NOTFOUND
DDERR_OUTOFMEMORY
- Parameters
Tag
The Tag parameter references the GUID of the private data that is to be retrieved.
Buffer
The Buffer parameter references a buffer for holding the retrieved private data if this method returns successfully.
The buffer must be explicitly allocated and released by the calling application.
BufferSize
The BufferSize parameter defines the size, in bytes, of the buffer referenced by the Buffer parameter of this method.
If there is insufficient space for the requested information, this parameter will be set to the required size and DDERR_MOREDATA returned.
- See Also
- Top
TDx_Draw_Library v1.90 Component Reference
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[ TDx_DrawSurface::GetPrivateData() ] [ next: GetSurfaceDesc() ] [ prev: GetPriority() ] public:
virtual HRESULT __fastcall GetPrivateData( REFGUID pTag, void* pBuffer, dword* pBufferSize );
TDX_DRAWSURFACE::GETPRIVATEDATA()
[ component method ]
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