基于操作和惯性的多点触摸例子程序

（也支持鼠标操作）---需要SDK 7.1的支持哦！-Demonstrates how to add Windows Touch support to native Win32 applications using the Manipulation and Inertia API.　The sample implements the essential features of the API to enable translation, rotation and scaling for objects and applying inertia properties to them using a timer.　It also demonstrates how to add basic mouse support in your touch applications.