public object HandleAssignmentOperator(CParser withparser, string Operator, string LValue, CParser RValue) { //Three steps: //if the Operator is not the standard Assignment Operator, =... //first, we need to figure out what the assign the value to. //for now, we either find or create a Variable. Variable usevariable = withparser.Variables[LValue]; if (Operator == ":=") { usevariable.Value = RValue.Execute(); } else { //it must be something like += or -=. Get the Binary operator... String binop = Operator.Substring(0, Operator.Length - 1); Object OperandA = usevariable.Value; Object OperandB = RValue.Execute(); //perform the binary operation. Object result = withparser.HandleOperation(binop, OperandA, OperandB); //store it back into the variable. usevariable.Value = result; } return(usevariable.Value); return(null); }