仿vs实现WPF好看的进度条_实用技巧_

 using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.ComponentModel; namespace Monitor.Class { /// 
 /// 异步操作 /// 
 public class CWorker { /// 
 /// 对象 /// 
 private BackgroundWorker backgroundWorker; /// 
 /// 后台执行的操作 /// 
 public Action BackgroundWork { get; set; } /// 
 /// 后台任务执行完毕后事件 /// 
 public event EventHandler BackgroundWorkerCompleted; private BackgroundWorkerEventArgs _eventArgs;//异常参数 /// 
 /// 构造 /// 
 public CWorker() { _eventArgs = new BackgroundWorkerEventArgs(); backgroundWorker = new BackgroundWorker(); backgroundWorker.WorkerReportsProgress = true; backgroundWorker.WorkerSupportsCancellation = true; backgroundWorker.DoWork += new DoWorkEventHandler(backgroundWorker1_DoWork); backgroundWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(backgroundWorker1_RunWorkerCompleted); } /// 
 /// 开始工作 /// 
 public void BegionWork() { if (backgroundWorker.IsBusy) return; backgroundWorker.RunWorkerAsync(); } /// 
 /// 工作 /// 
 ///  ///  private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e) { if (BackgroundWork != null) { try { BackgroundWork(); } catch (Exception ex) { _eventArgs.BackGroundException = ex; } } } /// 
 /// 完成 /// 
 ///  ///  private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e) { if (this.BackgroundWorkerCompleted != null) { this.BackgroundWorkerCompleted(null, _eventArgs); } } } /// 
 /// 事件 /// 
 public class BackgroundWorkerEventArgs : EventArgs { /// 
 /// 后台程序运行时抛出的异常 /// 
 public Exception BackGroundException { get; set; } } }