csharp private BackgroundWorker backgroundWorker = new BackgroundWorker(); 2. 配置BackgroundWorker的DoWork事件处理器以执行异步数据加载 DoWork事件处理器是实际执行异步操作的地方。你需要将你的数据加载逻辑放在这里。 csharp backgroundWorker.DoWork += new DoWorkEventHandler(backgroundWorker_DoWork); ...
bw.RunWorkerAsync("Hello to worker"); Console.WriteLine("Press /"C/" to cancel"); while(true) { //按C取消 if(Console.ReadKey(true).Key == ConsoleKey.C) { if(bw.IsBusy) bw.CancelAsync();//提交取消命令,但还未取消 else{break; } } } //Console.ReadLine(); } staticvoidbw_DoWork...
BackgroundWorker backgroundWorker1 =newBackgroundWorker(); 为了开始在后台操作,必须调用BackgroundWorker的RunWorkerAsync()方法,当调用此方时,BackgroundWorker 通过触发DoWork 事件,开始执行后台操作,DoWork 事件的代码是在另一个线程里执行的。代码如下: 代码一: BackgroundWorker backgroundWorker1 =newBackgroundWo...
示例1: backgroundWorker1_DoWork ▲点赞 17▼ // This event handler is where the actual,// potentially time-consuming work is done.privatevoidbackgroundWorker1_DoWork(objectsender, DoWorkEventArgs e){// Get the BackgroundWorker that raised this event.BackgroundWorker worker = senderasBackgroundW...
{//按C取消if(Console.ReadKey(true).Key ==ConsoleKey.C) {if(bw.IsBusy) bw.CancelAsync();//提交取消命令,但还未取消else{break; } } }//Console.ReadLine();}staticvoidbw_DoWork(objectsender, DoWorkEventArgs e) { Console.WriteLine(e.Argument);for(inti =0; i <=100; i +=1) ...
接下来,编写BackgroundWorker的DoWork事件处理程序。 代码语言:csharp 复制 private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e) { BackgroundWorker worker = sender as BackgroundWorker; // 在这里执行你的后台任务 while (!worker.CancellationPending) { // 在这里执行你的计时器滴答任务 ...
myWorker.DoWork += (sender, e) => {try{ Application.EnableVisualStyles(); Application.Run(_nativeWorkbenchForm); }catch(Exceptionex) { SaveLoad.Log(ex.ToString()); } }; myWorker.RunWorkerAsync(); } 开发者ID:isti37,项目名称:NativeWorkbench,代码行数:29,代码来源:NativeWorkbenchScript.cs ...
worker.DoWork += worker_DoWork; //处理过程 worker.RunWorkerCompleted += worker_RunWorkerCompleted; //完成操作 worker.ProgressChanged += worker_ProgressChanged; //报告进度 例如进度条的通知,主要就是计算总任务的数量,以及当前完成的人数数量,我们实现代码如下所示 ...
```csharp using System.ComponentModel; using System.Threading; using System.Windows.Forms; public partial class Form1 : Form { private BackgroundWorker backgroundWorker = new BackgroundWorker(); public Form1() { InitializeComponent(); backgroundWorker.DoWork += BackgroundWorker_DoWork; background...
1.DoWork 调用RunWorkerAsync 方法时发生。 2.RunWorkerCompleted 后台操作已完成、被取消或引发异常时发生。 3.ProgressChanged 调用ReportProgress 方法时发生。 在DoWork 事件处理程序中不操作任何用户界面对象。而应该通过 ProgressChanged 和 RunWorkerCompleted 事件与用户界面进行通信。