This message is sent after a window has been moved.
| Parameter | Description |
| wParam | Is not used. | |
| lParam | Contains the new location of the upper-left corner of the client area of the window. This new location is given in screen coordinates for overlapped and pop-up windows and parent-client coordinates for child windows. The x-coordinate is in the low-order word; the y-coordinate is in the high-order word. |