VB6限制鼠标移动区域，把鼠标移动的区域限制在一定范围内，点击窗口上的“限制鼠标”按钮后，鼠标即可在上边限制的范围内移动，点击“解锁”即可恢复限制-VB6 mouse movement restricted area, move the mouse area is limited within a certain range, " limiting mouse"　button to click on the window, the mouse within the range of the upper limit of the move, click on the " unlock"　to restore the limit