DirectShow Sample -- TimelineTest
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This sample application builds a timeline with a transition. It demonstrates 
the following tasks in Microsoft DirectShow Editing Services:

- Creating a timeline. 
- Adding tracks, sources, transitions, and effects to the timeline. 
- Creating a SMPTE wipe transition. 
- Creating an audio crossfade using the Volume Envelope effect. 
- Setting properties on timeline objects. 
- Modifying a timeline and rendering the filter graph again.