private void button1_Click(object sender, EventArgs e)
{
UnifiedAutomation.UaClient.Controls.BrowseDlg dialog = new UnifiedAutomation.UaClient.Controls.BrowseDlg();
// var nodeid = dialog.ShowDialog()
}
static void Main(string[] args)
{
//List<ApplicationDescription> servers = new List<ApplicationDescription>();
Discovery discovery = new Discovery();
//servers = discovery.FindServers("opc.tcp://localhost:48030");
List <EndpointDescription> endpoints = new List <EndpointDescription>();
endpoints = discovery.GetEndpoints("opc.tcp://localhost:48041");
endpoints.ForEach(o => Console.WriteLine(o.EndpointUrl));
var session = new Session(ApplicationInstance.Default);
session.ConnectionStatusUpdate += Session_ConnectionStatusUpdate;
session.Connect(endpoints[0], session.DefaultRequestSettings);
List <ReadValueId> nodesToRead = new List <ReadValueId>();
nodesToRead.Add(new ReadValueId()
{
NodeId = VariableIds.Server_ServerStatus_State, AttributeId = Attributes.Value
});
nodesToRead.Add(new ReadValueId()
{
NodeId = VariableIds.Server_ServerStatus_CurrentTime, AttributeId = Attributes.Value
});
var results = session.Read(nodesToRead, 0, TimestampsToReturn.Both, new RequestSettings {
OperationTimeout = 10000
});
Console.WriteLine(session.Cache.GetEnumerationText(VariableIds.Server_ServerStatus_State, results[0]));
UnifiedAutomation.UaClient.Controls.BrowseDlg dialog = new UnifiedAutomation.UaClient.Controls.BrowseDlg();
var nodeid = dialog.ShowDialog(session, ObjectIds.ObjectsFolder, ReferenceTypeIds.HierarchicalReferences);
nodeid = null;
nodeid = NodeId.Parse("ns=2;s=0:Jemima?Jackey");
nodesToRead.Clear();
nodesToRead.Add(new ReadValueId()
{
NodeId = nodeid, AttributeId = Attributes.DisplayName
});
nodesToRead.Add(new ReadValueId()
{
NodeId = nodeid, AttributeId = Attributes.Value
});
results = session.Read(nodesToRead, 0, TimestampsToReturn.Both, new RequestSettings()
{
OperationTimeout = 10000
});
Console.WriteLine(results[1]);
List <WriteValue> nodesToWrites = new List <WriteValue>();
nodesToWrites.Add(new WriteValue()
{
NodeId = nodeid, AttributeId = Attributes.Value, Value = new DataValue()
{
Value = "Hello World."
}
});
var resultss = session.Write(nodesToWrites, new RequestSettings()
{
OperationTimeout = 10000
});
resultss.ForEach(o => Console.WriteLine(o));
List <StatusCode> inputArgumentErrors = null;
List <Variant> outputArguments = null;
NodeId objectId = NodeId.Parse("ns=2;s=0:Jemima");
NodeId methodId = NodeId.Parse("ns=2;s=0:Jemima?WriteValue");
List <Variant> inputArguments = new List <Variant>();
inputArguments.Add(new Variant("Jackey Say: 'Hello World.'"));
session.Call(objectId, methodId, inputArguments, out inputArgumentErrors, out outputArguments);
Console.ReadKey();
}
