CDrawImage.NotifyStartDraw 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 It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation.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 NotifyStartDraw method is not supported.
Syntax
void NotifyStartDraw();
Parameters
This method has no parameters.
Return value
This method does not return a value.
Remarks
In earlier versions of the base-class library, this method supported performance measurements by the CDrawImage object.
Requirements
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