自己写的一个类，可以让控件根据窗口大小来自东改变位置和大小，在OnInitDialog（）中　　GetClientRect(&m_rect) 在OnSize（）中CLala lala lala.Show(m_rect, this, cx, cy)

-Write a class that allows the control to change the window size of the location and size from the East, in the OnInitDialog () in GetClientRect (&　m_rect)　in OnSize () in CLala lala　lala.Show (m_rect, this, cx, cy)