Dlephi实现一个不能移动，不可拖动的窗口，窗体不能被移动地方，是一个禁止拖动窗体的例子，本窗口在实现时用到了背景平铺的技巧，也是个值得参考的技巧点。-Dlephi achieve a not move, can not drag a window, where the form can not be moved, is an example of a prohibited form drag, this window is used in the realization of the background tiled skills, is also worth considering the skill points.