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Increments the reference count for the calling interface on an object.
ULONG AddRef(void);
Parameters
None.
Return Values
Returns an integer from 1 to n, the value of the new reference count.
Remarks
This member function implements the IUnknown::AddRef method.
Requirements
DirectShow applications and DirectShow filters have different include file and link library requirements.
For more information, see Setting Up the Build Environment.
OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
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