private void channelAddMenu_Click(object sender, EventArgs e) { // show dialog box VsChannelDialog channelDialog = new VsChannelDialog(vsCoreMonitor); channelDialog.ShowDialog(this); // update tree list if (channelDialog.DialogResult == DialogResult.OK) { TreeNode retNode = this.channelsNode.Nodes.Add(channelDialog.Channel.ChannelName); retNode.ImageIndex = 5; retNode.SelectedImageIndex = 5; retNode.EnsureVisible(); } }