[Sample of May 21th] Windows Phone 7 Multi-Touch Drawing Demo

[Sample of May 21th] Windows Phone 7 Multi-Touch Drawing Demo:

Sample Download: http://code.msdn.microsoft.com/CSWP7MultiTouchDrawing-4513213a
Today’s code sample demonstrates how to draw pictures with Canvas Control on a multi-touch screen. If you simply implement the following event:
         Touch.FrameReported += new TouchFrameEventHandler(Touch_FrameReported);
You can implement multi-touch draw, representing each event using only dots, but the resulting drawing is not visually appealing. InkPresenter can draw lines smoothly, but it demonstrates the action of one touch only. This sample demonstrates how to draw smooth lines using up to four fingers simultaneously.

The sample was written by our star sample writer: Andrew Zhu.
For detailed introduction of the sample, please read the documentation at http://code.msdn.microsoft.com/CSWP7MultiTouchDrawing-4513213a
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