public override string GetBody(EditorScope scope)
        {
            var op     = (VMSubRoutineOperand)Operand;
            var result = new StringBuilder();

            var paramNames = new string[4];

            for (var i = 0; i < 4; i++)
            {
                paramNames[i] = "arg" + i;
            }

            var bhav = scope.GetBHAV(PrimID);

            if (bhav != null)
            {
                //There might be param names
                var labels = scope.GetLabels(bhav.ChunkID);
                if (labels?.ParamNames != null)
                {
                    for (var i = 0; i < 4; i++)
                    {
                        if (i < labels.ParamNames.Length)
                        {
                            paramNames[i] = labels.ParamNames[i];
                        }
                    }
                }
            }

            //Add parameter names and values
            for (var i = 0; i < bhav.Args; i++)
            {
                if (i > 0)
                {
                    result.Append(", ");
                }

                result.Append(paramNames[i] + "=");

                short  argValue       = op.Arguments[i];
                string argValueString = argValue + "";

                if (argValue == -1)
                {
                    argValueString = scope.GetVarName(VMVariableScope.Temps, (short)i);
                }

                result.Append(argValueString);
            }

            return(result.ToString());
        }