IUnknown::Release method
Note This topic describes IUnknown in the context of the AVIFile and AVIStream interfaces. For general information about IUnknown, see the Component Object Model (COM) documentation in the Windows SDK.
The Release method decrements the reference count of the appropriate handler: IAVIEditStream, IAVIFile, IAVIStream, IAVIStreaming, or IGetFrame. When the reference count reaches zero, the handler must free resources established for the file or stream.
Syntax
ULONG Release(
LPUNKNOWN ps
);
Parameters
- ps
Pointer to an IAVIEditStream, IAVIFile, IAVIStream, IAVIStreaming, or IGetFrame interface.
Return value
Returns the resulting reference count.
Remarks
For handlers written in C++, Release has the following syntax:
HRESULT Release(VOID);
Requirements
Minimum supported client |
Windows 2000 Professional [desktop apps | Windows Store apps] |
Minimum supported server |
Windows 2000 Server [desktop apps | Windows Store apps] |
Header |
Unknwn.h |