private async Task AddHostInfoNodes(TreeNode node, ResolveEventArgs args)
{
var hostNode = new TreeNode("Host: " + args.HostName)
{
Name = args.HostName
};
node.Nodes.Add(hostNode);
try
{
hostNode.Tag = await _service.LookupAsync(args.HostName, ProtocolFlags.IPv4v6, true, args.InterfaceIndex, hostNode);
}
catch (DnsServiceException dse)
{
WriteLine($"Lookup operation for host [{args.HostName}] failed: {dse.Message}");
}
node.Nodes.Add(new TreeNode("Full Name: " + args.FullName));
node.Nodes.Add(new TreeNode("Port: " + args.Port));
if (args.TxtRecords != null)
{
var txtRecNode = new TreeNode("TXT Records");
node.Nodes.Add(txtRecNode);
foreach (var txtRecord in args.TxtRecords)
{
var recNode = new TreeNode(txtRecord.ToString());
txtRecNode.Nodes.Add(recNode);
}
}
}
private async void ServiceResolveEventHandler(object sender, ResolveEventArgs e)
{
if (sender is IOperationToken token && token.Context is TreeNode node)
{
treeViewServices.SuspendLayout();
WriteLine($"Adding node for host [{e.HostName}], Full Service Name [{e.FullName}]");
await AddHostInfoNodes(node, e);
// Todo: we could cancel this operation here
}
if (!e.MoreComing)
{
treeViewServices.ResumeLayout();
}
}