string _hostName = "localhost"; string _serverName = "OPC.SimaticNET"; string urlstring = string.Format("opcda://{0}/{1}", _hostName, _serverName); Server s = new Server(new Factory(), new URL(urlstring)); s.Connect(); ItemIdentifier itemId = null; BrowseFilters filters = new BrowseFilters() { BrowseFilter = browseFilter.branch }; //Here I also use {BrowseFilter = browseFilter.item} //but in that time value of elements=null BrowsePosition position = new BrowsePosition(itemId, filters); BrowseElement[] elements= s.Browse(itemId, filters, out position);
var
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