通过

CBaseControlVideo::OnUpdateRectangles

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Microsoft DirectShow 9.0

CBaseControlVideo::OnUpdateRectangles

The OnUpdateRectangles method is called when either the source or destination rectangle changes.

Syntax

  virtual HRESULT OnUpdateRectangles(void);

Return Value

Returns NOERROR.

Requirements

**  Header:** Declared in Ctlutil.h; include Streams.h.

**  Library:** Use Strmbase.lib (retail builds) or Strmbasd.lib (debug builds).

See Also