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CSystemClock.GetClassID method

[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 It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation.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 GetClassID method retrieves the class identifier (CLSID) of the object. This method implements the IPersist::GetClassID method.

Syntax

HRESULT GetClassID(
   CLSID *pClsID
);

Parameters

pClsID

Pointer to a variable that receives the value CLSID_SystemClock.

Return value

Returns S_OK or E_POINTER.

Requirements

Requirement Value
Version
CSystemClock Class
Header
Sysclock.h (include Streams.h)
Library
Strmbase.lib (retail builds);
Strmbasd.lib (debug builds)