|Microsoft DirectX 9.0|
The Alloc method allocates memory for the buffers.
Returns one of the HRESULT values shown in the following table.
|VFW_E_SIZENOTSET||Buffer requirements were not set.|
This method is called by the CBaseAllocator::Commit method. It allocates a contiguous block of memory sufficient for the buffer requirements given in the CMemAllocator::SetProperties method.