void toolStripButtonParse_Click(object sender, EventArgs e) { if (!string.IsNullOrEmpty(this.toolStripComboBoxUrl.Text)) { toolStripButtonParse.Enabled = false; this.richTextBox1.Clear(); this.Cursor = Cursors.WaitCursor; //Also can set username, password, and cookie cparser.StartParsing(this.toolStripComboBoxUrl.Text, string.Empty); } }