IUnknown::AddRef

	Overview

	Group

	Quick Info

The AddRef method increments the reference count of the appropriate handler: IAVIEditStream, IAVIFile, IAVIStream, IAVIStreaming, or IGetFrame. When the reference count is nonzero, the handler must retain resources for the file or stream.

ULONG AddRef(

LPUNKNWON ps
);

Parameters
ps

Address of an IAVIEditStream, IAVIFile, IAVIStream, IAVIStreaming, or IGetFrame interface.

Return Values
Returns the resulting reference count.

Remarks
For handlers written in C++, AddRef has the following syntax:

HRESULT AddRef(VOID);

See Also
IAVIEditStream, IAVIFile, IAVIStream, IAVIStreaming, IGetFrame

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