private void UploadButton_Click(object sender, EventArgs e) { String fileName = FiletextBox.Text; String urlstring= UrlTextBox.Text; progressBar.Value = 0; progressBar.Minimum = 0; progressBar.Maximum = 100; progressBar.Step = 1; if (fileName != "" && urlstring != "") { uploader = new Uploader(urlstring, fileName); statusDelegate st = new statusDelegate(setStatusMessage); cbProgress prog = new cbProgress(onProgress); uploader.startUpload(st,prog); //this.Close(); } }