BackgroundWorker Component

The BackgroundWorker component enables your form or control to run an operation asynchronously.

In This Section

• BackgroundWorker Component Overview
  Describes the BackgroundWorker component, which gives you the ability to execute time-consuming operations asynchronously ("in the background"), on a thread different from your application's main UI thread.

• Walkthrough: Running an Operation in the Background
  Demonstrates how to use the BackgroundWorker component in the designer to run a time-consuming operation on a separate thread.

• How to: Run an Operation in the Background
  Demonstrates how to use the BackgroundWorker component to run a time-consuming operation on a separate thread.

• Walkthrough: Implementing a Form That Uses a Background Operation
  Creates an application using the designer that does mathematical computations asynchronously.

• How to: Implement a Form That Uses a Background Operation
  Creates an application that does mathematical computations asynchronously.

• How to: Download a File in the Background
  Demonstrates how to use the BackgroundWorker component to download a file on a separate thread.

Reference

• BackgroundWorker
  Describes this class and has links to all its members.

• RunWorkerCompletedEventArgs
  Describes the type that holds data for the RunWorkerCompleted event.

• ProgressChangedEventArgs
  Describes the type that holds data for the ProgressChanged event.

Related Sections

• Event-based Asynchronous Pattern Overview
  Describes how the asynchronous pattern makes available the advantages of multithreaded applications while hiding many of the complex issues inherent in multithreaded design.