point.y = HIWORD (lParam) ;
ClientToScreen (hwnd, &point) ;
TrackPopupMenu (hMenu, TPM_RIGHTBUTTON, point.x, point.y, 0, hwnd, NULL) ;
return 0 ;
case WM_COMMAND:
switch (LOWORD (wParam))
{
case IDM_FILE_NEW:
case IDM_FILE_OPEN:
case IDM_FILE_SAVE:
case IDM_FILE_SAVE_AS:
case IDM_EDIT_UNDO:
case IDM_EDIT_CUT:
case IDM_EDIT_COPY:
case IDM_EDIT_PASTE:
case IDM_EDIT_CLEAR:
MessageBeep (0) ;
return 0 ;
case IDM_BKGND_WHITE: // Note: Logic below
case IDM_BKGND_LTGRAY: // assumes that IDM_WHITE
case IDM_BKGND_GRAY: // through IDM_BLACK are
case IDM_BKGND_DKGRAY: // consecutive numbers in
case IDM_BKGND_BLACK: // the order shown here.
CheckMenuItem (hMenu, iSelection, MF_UNCHECKED) ;
iSelection = LOWORD (wParam) ;
CheckMenuItem (hMenu, iSelection, MF_CHECKED) ;
SetClassLong (hwnd, GCL_HBRBACKGROUND, (LONG)
GetStockObject
(idColor [LOWORD (wParam) - IDM_BKGND_WHITE])) ;
InvalidateRect (hwnd, NULL, TRUE) ;
return 0 ;
case IDM_APP_ABOUT:
MessageBox (hwnd, TEXT ("Popup Menu Demonstration Program\n")
TEXT ("(c) C |