using System; using System.ComponentModel; using System.Windows.Forms; namespace BackgroundWorkerSimple { public partial class Form1 : Form { public Form1() { InitializeComponent(); backgroundWorker1.WorkerReportsProgress = true; backgroundWorker1.WorkerSupportsCancellation = true; } private void sta...
Imports System.Threading Imports System.Windows.FormsPublicClassFibonacciFormInherits System.Windows.Forms.FormPrivatenumberToComputeAsInteger=0PrivatehighestPercentageReachedAsInteger=0PrivatenumericUpDown1AsSystem.Windows.Forms.NumericUpDownPrivateWithEvents startAsyncButtonAsSystem.Windows.Forms.ButtonPrivateWithEvents...
...in theDoWorkfunction. Had you done this, you would receive a runtime error. TheBackgroundWorkerobject resolves this problem by giving us aReportProgressfunction which can be called from the backgroundthread'sDoWorkfunction. This will cause theProgressChangedevent to fire on the UIthread. Now...
class MainForm : Form { private BackgroundWorker worker = new BackgroundWorker(); public MainForm() { InitializeComponent(); worker.WorkerReportsProgress = true ; worker.WorkerSupportsCancellation = true ; // 正式做事情的地方 worker.DoWork += new DoWorkEventHandler(DoWork); // 任务完称时要...
class DoBackgroundwork { BackgroundWorker bgWorker =new BackgroundWorker(); publicint[] backArray{get;privateset;} publicbool CompletedNormally {get;privateset; } //构造方法 public DoBackgroundwork(int[] array) { this.backArray = array; ...
导入System.ComponentModel命名空间,以便使用BackgroundWorker类。 在类的成员变量中创建一个BackgroundWorker对象。 private BackgroundWorker backgroundWorker1; 复制代码 在构造函数或窗体加载事件中初始化BackgroundWorker对象。 public MyClass() { InitializeComponent(); backgroundWorker1 = new BackgroundWorker(); ...
PublicClassForm1 PrivateWithEvents_PoolAsclsWorkPool PrivateSubButton1_Click(ByValsenderAsSystem.Object,ByValeAsSystem.EventArgs)HandlesButton1.Click _Pool =NewclsWorkPool(5) DimIAsInteger, JAsInteger ForI = 2008To2011 ForJ = 1To12 _Pool.DoWork(AddressOfGetWebString, I &"-"& J) ...
.NET Framework Class Library for Silverlight Microsoft.Xna.Framework Namespace Microsoft.Xna.Framework.Audio Namespace Microsoft.Xna.Framework.Graphics Namespace Microsoft.Xna.Framework.Graphics.PackedVector Namespace Microsoft.CSharp.RuntimeBinder Namespace Microsoft.Internal Namespace Microsoft.Internal...
Our application uses the WPF and .NET Framwork 4.8 The AbortableBackgroundWorkder class inherences from the BackgroundWorker class and used as following. ProtocolProcessor class performs complicated sequence instrument control actions. we notice that…
This code example is part of a larger example provided for the BackgroundWorker class. C# Copy // Abort the operation if the user has canceled. // Note that a call to CancelAsync may have set // CancellationPending to true just after the // last invocation of this method exits, so ...