c#.net 下 做的一个圆形放大镜 . 把鼠标放在放大镜左上方的某个区域(不用按下),缓慢移动，就可以移动窗口.也可以用鼠标拖着窗口走.-c #. Net done under a magnifying glass round. Put the mouse on the top left of a magnifying glass region (not press), the slow-moving, it can move the window. the mouse can also be