If you execute a time-consuming operation, it can cause your user interface to seem it has stopped responding even if it hasn’t. With the BackgroundWorker class you.

This VB.NET tutorial uses BackgroundWorker. It requires Windows Forms. I want to create a button that could stop my background worker and end all the process it is working on. Here is my sample backgroundworker code: Private Sub. Windows 7 Oem All Editions X86 X64 Activator Rar File more. I want to display a progress bar while doing some work, but that would hang the UI and the progress bar won't update. I have a WinForm ProgressForm with a ProgressBar.

Show progress dialog during long process – C#Click to enlarge. If you execute a time- consuming operation, it can cause your user interface to seem it has stopped responding even if it hasn’t. With the Background. Worker class  you can run an operation on a separate, dedicated thread. When you have time- consuming operations you can use the Background.

Worker class to show a alert form, displaying that your application is in progress. Create a Background. Worker and listen for events that report the progress of your operation and signal when your operation is finished. Download (read license)Source code.

Create a new Windows Form Application. The main form, Form. Installing Joomla Template Through Ftp Clothing. So add another form to the project and name it “Alert. Form”. Go back to design view as we don’t want to add code to the event at this time.

Add a Background. Worker to the form. In the properties window, change Worker. Reports. Progress and Worker. Supports. Cancellation to true.

In the properties window, click on events button (the yellow flash) and you will see that the backgroundworker has three events. We will use them all, so double- click on all of them. Opens the Alert. Form and starts the backgroundworker. So lets write the button. Cancel. This is where you will do your time- consuming work. Deleting files, downloading files, or what it is that you want to do.

In this example we just runs a loop and make it sleep a while so it will take some time to finish it. We also pass a value to Background.

Worker. Report. Progress() that will be passed to the label and progressbar that we have in Alert. Form. So lets add some code to it. We change the text on the label in our main form, and we pass values over to the label and progressbar in Alert.

Form. And it will be closed when the process are finished or the users cancel the process.