C# 委托实现多线程调用窗体

using System.ComponentModel;
using System.Windows.Forms;

namespace Test2
{
public partial class ProcessForm : Form
{
private BackgroundWorker backgroundWorker1;// //ProcessForm 窗体事件(进度条窗体)

public ProcessForm(BackgroundWorker backgroundWorker1)
{
InitializeComponent();
this.backgroundWorker1 = backgroundWorker1;
this.backgroundWorker1.ProgressChanged += new ProgressChangedEventHandler(backgroundWorker1_ProgressChanged);
this.backgroundWorker1.RunWorkerCompleted += new RunWorkerCompletedEventHandler(backgroundWorker1_RunWorkerCompleted);
}

private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
this.Close();//执行完之后，直接关闭界面
}

private void backgroundWorker1_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
progressBar1.Value = e.ProgressPercentage;
}

/// <summary>
/// 取消按钮
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, System.EventArgs e)
{
backgroundWorker1.CancelAsync();
button1.Enabled = false;
Close();
}
}
}