Question

I want to display info when my mouse cursor is on an item in my menu by using SendMessage() to my statusbar. How do i get the current menu item ID ? I suppose they use same ID’s as my Visual Studio shows in the menu editor.

I found these on msdn but none of them seems to serve my needs:

WM_COMMAND
WM_CONTEXTMENU
WM_ENTERMENULOOP
WM_EXITMENULOOP
WM_GETTITLEBARINFOEX
WM_MENUCOMMAND
WM_MENUDRAG
WM_MENUGETOBJECT
WM_MENURBUTTONUP
WM_NEXTMENU
WM_UNINITMENUPOPUP

Answer 1

While the user is moving around the menu you get WM_MENUSELECT messages. LOWORD(lParam) will be the id of the menu item unless what is currently being selected is a popup rather than an item.

so your code looks something like this

case WM_MENUSELECT
   {
   HMENU hmenu  = (HMENU) lParam;
   UINT  idItem = (UINT) LOWORD(wParam);
   UINT  flags  = (UINT) HIWORD(wParam);

   if (flags & MF_POPUP)
      {
      // idItem is actually a popup index
      HMENU hSubMenu = GetSubMenu(hmenu, idItem);
      idItem = 0; // assign an id to the menu, or just set to 0 for no output
      }

   // show menu info on status bar for idItem
   SendMessage(hwndStatbar, ..., idItem, ...);
   }