Resources and enum

[HellMaster22]

Hi, I got a problem with a resource file. In my *.rc file I've defined a menu:

#include "resources.h"
#include "afxres.h"

MAINMENU MENU DISCARDABLE
BEGIN
    POPUP "&File"
    BEGIN
        MENUITEM "&New",            IDM_FILE_NEW
        MENUITEM "E&xit",             IDM_FILE_EXIT
    END
/*    POPUP "&Window"
        MENUITEM "&Close All",      IDM_WINDOW_CLALL
    END
    POPUP "&Help"
    BEGIN
        MENUITEM "&Help",           IDM_HELP_HELP
        MENUITEM "&About OurCANOE", IDM_HELP_ABOUT
    END*/
END

and in my resource.h file I have the definitions of the IDM identifiers...

#define IDM_FILE_NEW        10000
#define IDM_FILE_EXIT       10001
//enum{IDM_FILE_NEW = 10000, IDM_FILE_EXIT};
//enum {IDM_WINDOW_CLALL = 20000};
//enum {IDM_HELP_HELP = 30000, IDM_HELP_ABOUT};

I wanted to use the enum type, to define these identifiers, so I the numbers are assigned automatically, but the compiler throws an error. Is it even possible to use the enum type instead of #define? If not, why? :-)

Thanks in advance.