public DDebugBacktrace(DDebugSession session, uint threadId, Debuggee debuggee)
        {
            this.session = session;
            this.debuggee = debuggee;
            this.threadId = threadId;

            magoCallStackFrames = debuggee.GetCallStack(threadId);
            fcount = magoCallStackFrames.Count;

            symbols = this.session.SymbolResolver.GetLocalSymbols(threadId);
        }
        public DDebugBacktrace(DDebugSession session, uint threadId, Debuggee debuggee)
        {
            this.session  = session;
            this.debuggee = debuggee;
            this.threadId = threadId;

            magoCallStackFrames = debuggee.GetCallStack(threadId);
            fcount = magoCallStackFrames.Count;

            symbols = this.session.SymbolResolver.GetLocalSymbols(threadId);
        }