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4/8/2010

Increments the reference count for the calling interface on an object. It should be called for every new copy of a pointer to an interface on a given object.

Syntax

ULONG AddRef(void);

Parameters

None.

Return Value

Returns an integer from 1 to n, the value of the new reference count.

This information is meant to be used for diagnostic/testing purposes only, because, in certain situations, the value might be unstable.

Remarks

This member function implements the IUnknown::AddRefmethod.

Requirements

Windows Embedded CE Windows CE 2.12 and later
Windows Mobile Windows Mobile Version 5.0 and later
Note Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment,
Version 2.12 requires DXPAK 1.0 or later
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