Running a method in BackGroundWorker and Showing ProgressBar

Question

What I want is when some method is doing some task UI keeps itself active and I want to show the progress of the work in a progress-bar.

I have a method, a Bac

Answer 1

Instead of using one ParseFiles method (which should depend on myBGWorker) use loop and method which parse one file. Report progress percentage in that loop:

private void parseButton_Click(object sender, EventArgs e)
{
    parseButton.Enabled = false;
    myBGWorker.RunWorkerAsync();
}

private void myBGWorker_DoWork(object sender, DoWorkEventArgs e)
{
   for(int i = 0; i < filesCount; i++)
   {  
       ParseSingleFile(); // pass filename here
       int percentage = (i + 1) * 100 / filesCount;
       myBGWorker.ReportProgress(percentage);
   }
}

void myBGWorker_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
    myProgressBar.Value = e.ProgressPercentage;
}

void myBGWorker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
    parseButton.Enabled = true;
    MessageBox.Show("Done");
}

Answer 2

To. soham.m17 using with sender argument

private void myBGWorker_DoWork(object sender, DoWorkEventArgs e)
{
   var worker = sender as BackgroundWorker;
   for(int i = 0; i < filesCount; i++)
   {  
       ParseSingleFile(); // pass filename here
       int percentage = (i + 1) * 100 / filesCount;
       worker.ReportProgress(percentage);  // use not myBGWorker but worker from sender
   }
}

Answer 3

I am sorry about the question. Actually the code works fine. It was not showing the Progressbar as the argument in myBGWorker.ReportProgress() was fraction and not percentage. So, it was not showing it. Sorry for the inconvenience.

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