Task:

Allows the host application to disable menu items

Activation:

Always activated

Parameters:

Meaning of the parameter lParam:

lParam: menu handle

Hints:

This callback is called when List & Label changes or updates the menu. The application can then enable or disable menu items previously inserted by LL_CMND_­MODIFY­MENU.

Example:

case LL_CMND_ENABLEMENU:
   if (<whatever>)
      EnableMenuItem(hMenu, IDM_MYMENU, MF_ENABLED|MF_BYCOMMAND);      
    else
      EnableMenuItem(hMenu, IDM_MYMENU, MF_DISABLED|MF_GRAYED|MF_BYCOMMAND);
   break;