What is a BackgroundWorker?
The BackgroundWorker class allows you to run an operation on a separate, dedicated thread. Time-consuming operations like downloads and database transactions can cause your user interface (UI) to seem as though it has stopped responding while they are running.
What is the use of BackgroundWorker in C#?
C# BackgroundWorker component executes code in a separate dedicated secondary thread. In this article, I will demonstrate how to use the BackgroundWorker component to execute a time consuming process while main thread is still available to the user interface.
Does BackgroundWorker use Threadpool?
As such, BackgroundWorker provides no feature that’s useful in a service. Without the custom synchronization provider, the default provider simply runs events on a threadpool thread.
How do I stop BackgroundWorker?
You will have to use a flag shared between the main thread and the BackgroundWorker, such as BackgroundWorker. CancellationPending . When you want the BackgroundWorker to exit, just set the flag using BackgroundWorker. CancelAsync().
What is BackgroundWorker vb net?
BackgroundWorker handles long-running tasks. It does not freeze the entire program as this task executes. The BackgroundWorker type provides an excellent solution. It enables a simple multithreaded architecture for VB.NET programs. To begin, you will need a VB.NET Windows Forms project open.
What is RunWorkerAsync C#?
The RunWorkerAsync method submits a request to start the operation running asynchronously. When the request is serviced, the DoWork event is raised, which in turn starts execution of your background operation. If your operation requires a parameter, you can provide it as the argument parameter to RunWorkerAsync.
What is a BackgroundWorker C#?
C# BackgroundWorker component executes code in a separate dedicated secondary thread. We often use background threads when a time-consuming process needed to be executed in the background without affecting the responsiveness of the user interface. This is where a BackgroundWorker component comes into play.
What is BackgroundWorker in Winforms?
The BackgroundWorker class exposes the DoWork event, to which your worker thread is attached through a DoWork event handler. The DoWork event handler takes a DoWorkEventArgs parameter, which has an Argument property.
What is a backgroundworker in.net framework?
BackgroundWorker, is a component in .NET Framework, that allows executing code as a separate thread and then report progress and completion back to the UI. In order to implement a BackgroundWorker-based multithreading .NET app, you include handling code for the below 3 events:
What is the purpose of the backgroundworker class?
The BackgroundWorker class allows you to run an operation on a separate, dedicated thread. Time-consuming operations like downloads and database transactions can cause your user interface (UI) to seem as though it has stopped responding while they are running.
How to add a backgroundworker to a component?
Create Click event handlers for both buttons. From the Components tab of the Toolbox, add a BackgroundWorker component named backgroundWorker1. Create DoWork, ProgressChanged, and RunWorkerCompleted event handlers for the BackgroundWorker. In the code for the form, replace the existing code with the following code.
Why is it difficult to set up background worker?
The fundamental problem is that you don’t want two threads trying to access the same bit of memory at once. The BackgroundWorker simplifies a lot of the work you would otherwise need to do yourself, but it can still be difficult to set it up. This example downloads an image from the Internet and saves it to the user’s desktop.