private void OnFindServersOnNetworkComplete(IAsyncResult result)
{
if (InvokeRequired)
{
BeginInvoke(new AsyncCallback(OnFindServersOnNetworkComplete), result);
return;
}
try
{
ExpandNodeData data = (ExpandNodeData)result.AsyncState;
DateTime lastCounterResetTime;
List <ServerOnNetwork> servers = data.Lds.EndFindServersOnNetwork(result, out lastCounterResetTime);
foreach (ServerOnNetwork server in servers)
{
if (server.ServerCapabilities.Contains("LDS"))
{
continue;
}
TreeNode node = new TreeNode(String.Format("{0}", server.ServerName));
node.SelectedImageIndex = node.ImageIndex = ImageIndex.Server;
node.Tag = server;
node.Nodes.Add(new TreeNode());
data.Parent.Nodes.Add(node);
}
if (DiscoveryTreeView.SelectedNode == data.Parent)
{
ShowServerOnNetworks(data.Parent.Nodes);
}
else
{
data.Parent.Expand();
}
}
catch (Exception e)
{
Opc.Ua.Client.Controls.ExceptionDlg.Show(Text, e);
}
}
private void OnFindServersComplete(IAsyncResult result)
{
if (InvokeRequired)
{
BeginInvoke(new AsyncCallback(OnFindServersComplete), result);
return;
}
try
{
ExpandNodeData data = (ExpandNodeData)result.AsyncState;
List <ApplicationDescription> servers = data.Lds.EndFindServers(result);
foreach (ApplicationDescription server in servers)
{
if (server.ApplicationType == ApplicationType.DiscoveryServer)
{
continue;
}
TreeNode node = new TreeNode(String.Format("{0}", server.ApplicationName));
node.SelectedImageIndex = node.ImageIndex = (server.ApplicationType == ApplicationType.DiscoveryServer) ? ImageIndex.LocalNetwork : ImageIndex.Server;
node.Tag = server;
node.Nodes.Add(new TreeNode());
data.Parent.Nodes.Add(node);
}
if (DiscoveryTreeView.SelectedNode == data.Parent)
{
ShowApplicationDescriptions(data.Parent.Nodes);
}
else
{
data.Parent.Expand();
}
}
catch (Exception e)
{
Opc.Ua.Client.Controls.ExceptionDlg.Show(Text, e);
}
}