/// <summary>
/// Initializes the control with a set of items.
/// </summary>
public void Initialize(Session session, ExpandedNodeId nodeId)
{
ItemsLV.Items.Clear();
m_session = session;
if (m_session == null)
{
return;
}
ILocalNode node = m_session.NodeCache.Find(nodeId) as ILocalNode;
if (node == null)
{
return;
}
uint[] attributesIds = Attributes.GetIdentifiers();
for (int ii = 0; ii < attributesIds.Length; ii++)
{
uint attributesId = attributesIds[ii];
if (!node.SupportsAttribute(attributesId))
{
continue;
}
ItemInfo info = new ItemInfo();
info.NodeId = node.NodeId;
info.AttributeId = attributesId;
info.Name = Attributes.GetBrowseName(attributesId);
info.Value = new DataValue(StatusCodes.BadWaitingForInitialData);
ServiceResult result = node.Read(null, attributesId, info.Value);
if (ServiceResult.IsBad(result))
{
info.Value = new DataValue(result.StatusCode);
}
AddItem(info);
}
IList <IReference> references = node.References.Find(ReferenceTypes.HasProperty, false, true, m_session.TypeTree);
for (int ii = 0; ii < references.Count; ii++)
{
IReference reference = references[ii];
ILocalNode property = m_session.NodeCache.Find(reference.TargetId) as ILocalNode;
if (property == null)
{
return;
}
ItemInfo info = new ItemInfo();
info.NodeId = property.NodeId;
info.AttributeId = Attributes.Value;
info.Name = Utils.Format("{0}", property.DisplayName);
info.Value = new DataValue(StatusCodes.BadWaitingForInitialData);
ServiceResult result = property.Read(null, Attributes.Value, info.Value);
if (ServiceResult.IsBad(result))
{
info.Value = new DataValue(result.StatusCode);
}
AddItem(info);
}
UpdateValues();
}
public List <NodeInfo> GetNodeInfoList(ExpandedNodeId nodeid)
{
var nodeInfoList = new List <NodeInfo>();
var n = session.NodeCache.Find(nodeid) as ILocalNode;
if (n == null)
{
return(null);
}
uint[] attributesIds = Attributes.GetIdentifiers();
foreach (uint attributesId in attributesIds)
{
if (!n.SupportsAttribute(attributesId))
{
continue;
}
var _value = new DataValue(StatusCodes.BadWaitingForInitialData);
ServiceResult result = n.Read(null, attributesId, _value);
if (ServiceResult.IsBad(result))
{
_value = new DataValue(result.StatusCode);
}
var _name = Attributes.GetBrowseName(attributesId);
nodeInfoList.Add(new NodeInfo {
Name = _name, Value = _value.ToString()
});
}
IList <IReference> references = n.References.Find(ReferenceTypes.HasProperty, false, true, session.TypeTree);
for (int ii = 0; ii < references.Count; ii++)
{
IReference reference = references[ii];
ILocalNode property = session.NodeCache.Find(reference.TargetId) as ILocalNode;
if (property == null)
{
break;
}
var _name = Utils.Format("{0}", property.DisplayName);
var _value = new DataValue(StatusCodes.BadWaitingForInitialData);
ServiceResult result = property.Read(null, Attributes.Value, _value);
if (ServiceResult.IsBad(result))
{
_value = new DataValue(result.StatusCode);
}
nodeInfoList.Add(new NodeInfo {
Name = _name, Value = _value.ToString()
});
}
return(nodeInfoList);
}