private void DisplayOutlookFolders() { List<string> folderNames = new List<string>(); ReadEmails emailObj = new ReadEmails(); folderNames = emailObj.TriggerOutlook(); foreach (string itm in folderNames) { CheckBox chkBox = new CheckBox(); chkBox.Content = itm; this.Email_Folders.Items.Add(chkBox); } this.UpdateLayout(); }