private void Form1_Load(object sender, EventArgs e) { _WCFWrapper_01 = new WCFWrapper_01(); _WCFWrapper_02 = new WCFWrapper_02(); //_WCFWrapper_01.SourceInfo = "net.tcp://localhost:8001/FwkService"; //_WCFWrapper_02.SourceInfo = "net.tcp://localhost:8001/FwkService"; wrap_provider w = comboProviders.SelectedItem as wrap_provider; StringBuilder str = new StringBuilder("Wrapper name: " + w.Name); str.AppendLine(); str.AppendLine("SourceInfo: " + w.SourceInfo); str.AppendLine("WrapperProviderType: " + w.WrapperProviderType); str.AppendLine("ApplicationId: " + w.ApplicationId); textBox1.Text = str.ToString(); }