1 using System;
2 using System.Collections.Generic;
3 using System.ComponentModel;
4 using System.Data;
5 using System.Drawing;
6 using System.Linq;
7 using System.Text;
8 using System.Windows.Forms;
9
10 namespace WindowsFormsApplication3
11 {
12 public partial class Form1 : Form
13 {
14 public Form1()
15 {
16 InitializeComponent();
17 }
18
19 private void button1_Click(object sender, EventArgs e)
20 {
21 float x;
22 double y;
23 try
24 {
25 x = Single.Parse(textBox1.Text);
26 y = getValue(x);
27 label2.Text = "" + y;
28 }
29 catch (MyException ee)
30 {
31 label2.Text = ee.Message;
32 }
33 catch (FormatException ee)
34 {
35 label2.Text = ee.Message;
36 }
37 }
38 private double getValue(float x)
39 {
40 double y;
41 if (x < -273.15f) throw new MyException();
42 y = x * 1.8f + 32;
43 return y;
44 }
45
46 class MyException : ApplicationException
47 {
48 public MyException()
49 : base("out of temperature range")
50 { }
51 }
52 private void textBox1_TextChanged(object sender, EventArgs e)
53 {
54
55 }
56 }
57 }
58
59 /*
60 *temperature translate tool
61 *by 2018/09/18
62 *hekies
63 */
