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CBaseRenderer.OnDisplayChange method

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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 It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation.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 OnDisplayChange method posts an EC_DISPLAY_CHANGED event to the filter graph manager.

Syntax

BOOL OnDisplayChange();

Parameters

This method has no parameters.

Return value

Returns TRUE if the event was posted, or FALSE otherwise.

Remarks

Video renderers should call this method in response to WM_DISPLAYCHANGE messages. If the input pin is connected, the method sends an EC_DISPLAY_CHANGED event to the filter graph manager.

Requirements

Requirement Value
Header
Renbase.h (include Streams.h)
Library
Strmbase.lib (retail builds);
Strmbasd.lib (debug builds)

See also

CBaseRenderer Class