Mileage Calculator

[설명]

이동거리를 계산해 환급액을 알려주는 프로그램.
환급율은 0.39 (39%).

[실행화면]

[소스코드]

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace MileageCalc
{
    public partial class Form1 : Form
    {
        int startingMileage, endingMileage;
        double milesTraveled, amountOwed, reimburseRate = 0.39;

        private void btn_calcMiles_Click(object sender, EventArgs e)
        {
            MessageBox.Show(milesTraveled + " miles", "Miles Traveled");
        }

        private void btn_Calc_Click(object sender, EventArgs e)
        {
            startingMileage = (int)numericStart.Value;
            endingMileage = (int)numericEnd.Value;
            if (endingMileage > startingMileage)
            {
                milesTraveled = endingMileage - startingMileage;
                amountOwed = milesTraveled * reimburseRate;
                lbl_result.Text = "＄" + amountOwed.ToString();
            } else
            {
                MessageBox.Show("출발 시 주행거리는 도착 시 주행거리보다 작아야 합니다!");
            }
        }

        public Form1()
        {
            InitializeComponent();
        }
    }
}