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Sets the buffer pointer and length.
SetPointer( BYTE* ptr, LONG cBytes );
Parameters
- ptr
- Pointer to a buffer.
- cBytes
- Length of the buffer, in bytes.
Return Values
No return value.
Remarks
Allocators that require variable-sized pointers or pointers into data that has already been read use this member function. This is available only through a CMediaSampleclass, not an IMediaSampleinterface, so only the filter that owns the allocator knows how to access this member function (not any filter or pin that is passed the object's IMediaSampleinterface pointer).