//声明: SetWindowPos( hWnd: HWND; {窗口句柄} hWndInsertAfter: HWND; {窗口的 Z 顺序} X, Y: Integer; {位置} cx, cy: Integer; {大小} uFlags: UINT {选项} ): BOOL; //hWndInsertAfter 参数可选值: HWND_TOP = 0; {在前面}