说明：  这是个基于VB版的鼠标钩子程序，程序适时跟踪计算鼠标坐标、移动距离、像素转换等，还可以设置窗口永远在最上层，不遮挡！
(This is based on the VB version of the mouse hook procedure, timely follow-up procedures for calculating the coordinates of the mouse, move distance, pixel conversion, you can set the window always on top, would not block!)