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; using System.Threading; using System.IO; namespace WindowsFormsApp31 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { } private string str = ""; private void Form1_Load(object sender, EventArgs e) { Thread th1 = new Thread(test1); th1.Start(); Thread th2 = new Thread(test2); th2.Start(); timer1.Enabled = true; } public void test1() { try { if (!Directory.Exists(@"d:\test")) Directory.CreateDirectory(@"d:\test"); if (!File.Exists(@"d:\test\1.txt")) File.Create(@"d:\test\1.txt").Close(); StreamWriter sw = new StreamWriter(@"d:\test\1.txt", true); for (int i = 0; i < 100; i++) { sw.WriteLine(i.ToString()); } sw.Close(); int k = 0; k = k / 0;//引发异常,写入事件log } catch(Exception ex) { StreamWriter sw = new StreamWriter(@"d:\test\1.txt", true); sw.WriteLine(ex.ToString()); sw.Close(); } } public void test2() { try { if (!Directory.Exists(@"d:\test")) Directory.CreateDirectory(@"d:\test"); if (!File.Exists(@"d:\test\2.txt")) File.Create(@"d:\test\2.txt").Close(); StreamWriter sw = new StreamWriter(@"d:\test\2.txt", true); for (int i = 0; i < 100; i++) { sw.WriteLine(i.ToString()); } sw.Close(); } catch(Exception ex) { StreamWriter sw = new StreamWriter(@"d:\test\2.txt", true); sw.WriteLine(ex.ToString()); sw.Close(); } } private void timer1_Tick(object sender, EventArgs e) { str += "1"; richTextBox1.Text = str; } } } 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 System.DivideByZeroException: 尝试除以零。 在 WindowsFormsApp31.Form1.test1() 位置 C:\Users\lin\source\repos\WindowsFormsApp31\WindowsFormsApp31\Form1.cs:行号 58 |
|
来自: ontheroad96j47 > 《待分类》