private static void BrowseFromNode(
EasyDAClient client,
ServerDescriptor serverDescriptor,
DANodeDescriptor parentNodeDescriptor)
{
Debug.Assert(client != null);
Debug.Assert(serverDescriptor != null);
Debug.Assert(parentNodeDescriptor != null);
Boolean append = false;
if (parentNodeDescriptor.ToString() == "")
{
append = false;
}
else
{
append = true;
}
// Obtain all node elements under parentNodeDescriptor
var browseParameters = new DABrowseParameters(); // no filtering whatsoever
DANodeElementCollection nodeElementCollection =
client.BrowseNodes(serverDescriptor, parentNodeDescriptor, browseParameters);
// Remark: that BrowseNodes(...) may also throw OpcException; a production code should contain handling for
// it, here omitted for brevity.
foreach (DANodeElement nodeElement in nodeElementCollection)
{
Debug.Assert(nodeElement != null);
Console.WriteLine(nodeElement);
using (StreamWriter opcfile = new System.IO.StreamWriter(@"C:\Users\kiekensk\source\repos\ConsoleAppOPCClient\ConsoleAppOPCClient\dump\Cttmt2008 OPC dump.txt", append))
{
opcfile.WriteLine(nodeElement);
}
// If the node is a branch, browse recursively into it.
if (nodeElement.IsBranch)
{
_branchCount++;
BrowseFromNode(client, serverDescriptor, nodeElement);
}
else
{
_leafCount++;
}
}
}
