这是一个SDK程序。本程序跟踪显示鼠标的坐标位置，同时，若有鼠标操作，可在窗口标题栏中显示操作信息，要是在窗口客户区中进行双击，就会在双击位置点上显示位置信息。此外，客户中还有两个位图，当鼠标移动到位图上时，就会改变为自己定义的光标。该程序适合Win32编程初学者，内含大量的中文注释。-This is a SDK procedure. This program tracking demonstrates the coordinates position of the mouse, at the same time, demonstrate the operation information in the window title block if　the mouse has operation. if double-clicks in the window customer area ,can demonstrates the positional information of the double-click position. In addition, in the customer also has two units places charts, when the mouse moves arrives on the chart, can change the cursor which defines as oneself. This procedure suits the Win32 programming beginner, contains the massive Chinese annotation.