sing 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;
}
}
}
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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