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 TestLoop
{
public partial class Form1 : Form
{
bool flag = false;
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
flag = false;
Loop();
}
private void button3_Click(object sender, EventArgs e)
{
Application.Exit();
}
private void Loop()
{
int i = 0;
for (i = 0; i <= 100000; i++)
{
if (flag) break;
this.label1.Text = i + "";
Application.DoEvents();
System.Threading.Thread.Sleep(10);
}
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void button2_Click(object sender, EventArgs e)
{
flag = true;
}
}
}
using System;
using System.ComponentModel;
using System.Windows.Forms;
namespace TestLoop
{
public partial class Form1 : Form
{
//bool flag = false;
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
//flag = false;
//Loop();
this.backgroundWorker1.RunWorkerAsync();
}
private void button3_Click(object sender, EventArgs e)
{
Application.Exit();
}
private void Loop()
{
int i = 0;
for (i = 0; i <= 100000; i++)
{
//if (flag) break;
//this.label1.Text = i + "";
if (this.backgroundWorker1.CancellationPending) break;
this.Invoke((MethodInvoker)delegate { label1.Text = i + ""; });
Application.DoEvents();
System.Threading.Thread.Sleep(10);
}
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void button2_Click(object sender, EventArgs e)
{
//flag = true;
this.backgroundWorker1.CancelAsync();
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
Loop();
}
}
}
دیدگاه