Outlook add-in integrating Skype

#ifndef DbgTrace_H
#define DbgTrace_H

    //  debug/tracing levels
        //   none (silent)
    #define TRACE_LEVEL_NONE        (0)
        //  +errors
    #define TRACE_LEVEL_ERROR       (1)
        //  +warnings
    #define TRACE_LEVEL_WARNING     (2)
        //  +informations
    #define TRACE_LEVEL_INFO        (3)
        //  +everything else
    #define TRACE_LEVEL_DEBUG       (4)


    typedef struct DbgTrace DbgTrace;
    struct DbgTrace {
        VOID (NDAPI *SetLevel)(
            DbgTrace    *This, 
            int         Level
            );
        VOID (NDAPI *Track)(
            DbgTrace    *This, 
            int         Level,
            LPCWSTR     Msg
            );
        VOID (NDAPIV *TrackV)(
            DbgTrace    *This, 
            int         Level,
            LPCWSTR     Msg, 
            ...
            );

        int             Level;
    };

    DbgTrace*
    DbgTrace_GetObject(
        VOID
        );

    //  macros
    #define DbgTrace_Track(This, Level, Msg) \
        ((This->Track)((This), (Level), (Msg)))
    #define DbgTrace_Track0(This, Level, Msg) \
        (This->TrackV((This), (Level), (Msg)))
    #define DbgTrace_Track1(This, Level, Msg, Arg1) \
        (This->TrackV((This), (Level), (Msg), (Arg1)))
    #define DbgTrace_Track2(This, Level, Msg, Arg1, Arg2) \
        (This->TrackV((This), (Level), (Msg), (Arg1), (Arg2)))
    #define DbgTrace_Track3(This, Level, Msg, Arg1, Arg2, Arg3) \
        (This->TrackV((This), (Level), (Msg), (Arg1), (Arg2), (Arg3)))
    #define DbgTrace_Track4(This, Level, Msg, Arg1, Arg2, Arg3, Arg4) \
        (This->TrackV((This), (Level), (Msg), (Arg1), (Arg2), (Arg3), (Arg4)))
    #define DbgTrace_Track5(This, Level, Msg, Arg1, Arg2, Arg3, Arg4, Arg5) \
        (This->TrackV((This), (Level), (Msg), (Arg1), (Arg2), (Arg3), (Arg4), (Arg5)))

    #define DTrace(Level, Msg) \
        DbgTrace_Track(DbgTrace_GetObject(), (Level), (Msg))
    #define DTrace0(Level, Msg) \
        DbgTrace_Track0(DbgTrace_GetObject(), (Level), (Msg))
    #define DTrace1(Level, Msg, Arg1) \
        DbgTrace_Track1(DbgTrace_GetObject(), (Level), (Msg), (Arg1))
    #define DTrace2(Level, Msg, Arg1, Arg2) \
        DbgTrace_Track2(DbgTrace_GetObject(), (Level), (Msg), (Arg1), (Arg2))
    #define DTrace3(Level, Msg, Arg1, Arg2, Arg3) \
        DbgTrace_Track3(DbgTrace_GetObject(), (Level), (Msg), (Arg1), (Arg2), (Arg3))
    #define DTrace4(Level, Msg, Arg1, Arg2, Arg3, Arg4) \
        DbgTrace_Track4(DbgTrace_GetObject(), (Level), (Msg), (Arg1), (Arg2), (Arg3), (Arg4))
    #define DTrace5(Level, Msg, Arg1, Arg2, Arg3, Arg4, Arg5) \
        DbgTrace_Track5(DbgTrace_GetObject(), (Level), (Msg), (Arg1), (Arg2), (Arg3), (Arg4), (Arg5))

#endif  //  DbgTrace_H