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The size of the native video has changed.
Parameters
- lParam1
- Low-order WORDvalue is the width in pixels; high-order WORDis the height in pixels.
- lParam2
- Zero.
Remarks
This event notification is sent whenever a video renderer detects a change in native video size. An application might use this notification to negotiate space in a compound document. The actual video dimensions are available through the IBasicVideocontrol interface. The DirectShow renderers detect whether the video has changed size or not prior to sending these events.
For information on how to use this event code, see CBaseFilter::NotifyEvent.