BOOL MoveWindow(

HWND hWnd, // handle to window

int X, // horizontal position

int Y, // vertical position

int nWidth, // width

int nHeight, // height

BOOL bRepaint // repaint option

);

This cud be used in the WM_PAINT event section and in

WM_INITDIALOG section.

WM_SIZE message is received by the window procedure when a

user resizes a window. In order to limite the size of a

window, you could handle the WM_SIZE message appropriately.