拖动无标题窗口

通常我们是拖动标题栏来移动窗口，当没有标题栏时，该如何来拖动窗口呢？方法是 当我们在窗口区按下鼠标左键时，调用ReleaseCapture函数，释放鼠标的俘获，同时 发送移动标题栏的消息，就可以实现窗口的拖动-Usually drag the window without the title we are dragging the title bar to move the window, when there is no title bar, the window on how to do drag? Is area of the window when we press the left mouse button, the call ReleaseCapture function, the release of the captured mouse, move the title bar at the same time send the message, you can drag the window to achieve