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[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
The AddHead method adds an item to the front of the list.
Syntax
POSITION AddHead(
OBJECT *pObj
);
Parameters
-
pObj
-
Pointer to an object of type OBJECT (the template type).
Return value
Returns a POSITION value indicating the new head position. If the method fails, the return value is NULL.
Requirements
| Requirement | Value |
|---|---|
| Header | Wxlist.h (include Streams.h) |
| Library | Strmbase.lib (retail builds); Strmbasd.lib (debug builds) |