2009/08182/The design goal of this program: Use Silverlight to implement a mouse gesture control block floating in the lower right corner of the page, allowing users to use mouse gestures to control page scrolling, providing a better user browsing experience. Design plan: 1. Make a floating DIV to host Silverlight. 2. Realize mouse movement direction and speed recognition 3. Call js to control scrollbar 4. Test that when you use the mouse to cross the blue area of the browser, the browser will take corresponding actions.
