Другие сообщения
| WM_COALESCE_FIRST | WM_MDIGETACTIVE |
| WM_COALESCE_LAST | WM_MDIICONARRRANGE |
| WM_COMMNOTIFY | WM_MDIMAXIMIZE |
| WM_COMPAREITEM | WM_MDINEXT |
| WM_DRAWITEM | WM_MDIRESTORE |
| WM_DROPFILEW | WM_MDISETMENU |
| WM_KEYFIRST | WM_MDITILE |
| WM_MDIACTIVATE | WM_MEASUREITEM |
| WM_MDICASCADE | WM_NEXTDLGCTL |
| WM_MDICREATE | WM_SYSTEMERROR |
| WM_MDIDESTROY |