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copied!<p>This is how I have used <code>Progress Bar</code> in my application. </p> <pre><code>private void btnNext_Click(object sender, EventArgs e) { BackgroundWorker worker = new BackgroundWorker(); worker.WorkerReportsProgress = true; worker.ProgressChanged += (se, eventArgs) => { this.progressBar.Maximum = 100; this.progressBar.Minimum = 0; this.progressBar.Value = eventArgs.ProgressPercentage; lblStatus.Text = eventArgs.UserState as String; lblPercentage.Text = String.Format("Progress: {0} %", eventArgs.ProgressPercentage); }; worker.DoWork += (se, eventArgs) => { int progress = 0; ((BackgroundWorker)se).ReportProgress(progress, "Initializing the files..."); //Process that takes a long time //Formula to calculate Progress Percentage //This is how I calculated for my program. Divide 100 by number of loops you have int findPercentage = ((i + 1) * 100) / salesHeaderArr.Count; progress = 0; progress += findPercentage / 2; //Report back to the UI string progressStatus = "Importing Sales Header... (" + getSourceFileName(sourceFilePath) + ")"; ((BackgroundWorker)se).ReportProgress(progress, progressStatus); //After Iterating through all the loops, update the progress to "Complete" ((BackgroundWorker)se).ReportProgress(100, "Complete..."); }; worker.RunWorkerCompleted += (se, eventArgs) => { //Display smth or update status when progress is completed lblStatus.Location = new Point(20, 60); lblStatus.Text = "Your import has been completed. \n\nPlease Click 'Finish' button to close the wizard or \n'Back' button to go back to the previous page."; lblPercentage.Visible = false; progressBar.Visible = false; btnBack.Enabled = true; btnFinish.Enabled = true; }; worker.RunWorkerAsync(); } </code></pre>

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