private void NodeTreeView_BeforeExpand(object sender, TreeViewCancelEventArgs e)
{
e.Node.Nodes.Clear();
ReferenceDescriptionCollection referenceDescriptionCollection;
ReferenceDescription refDesc = (ReferenceDescription)e.Node.Tag;
try
{
referenceDescriptionCollection = myClientHelperAPI.BrowseNode(refDesc);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error");
return;
}
foreach (ReferenceDescription tempRefDesc in referenceDescriptionCollection)
{
if (tempRefDesc.ReferenceTypeId != ReferenceTypeIds.HasNotifier)
{
e.Node.Nodes.Add(tempRefDesc.DisplayName.ToString()).Tag = tempRefDesc;
}
}
foreach (TreeNode node in e.Node.Nodes)
{
node.Nodes.Add("");
}
}
private ushort GetRfidNamespaceIndex()
{
ushort nameSpaceIndex = 0;
ReferenceDescriptionCollection refDescCol = new ReferenceDescriptionCollection();
refDescCol = myHelperApi.BrowseRoot();
//Browse to variable "AutoIdModelVersion" (mandatory in AutoID) in RfidReaderDeviceType object to find out namespace
foreach (ReferenceDescription refDescA in refDescCol)
{
if (refDescA.BrowseName.Name == "Objects")
{
refDescCol = myHelperApi.BrowseNode(refDescA);
foreach (ReferenceDescription refDescB in refDescCol)
{
if (refDescB.BrowseName.Name == "DeviceSet")
{
refDescCol = myHelperApi.BrowseNode(refDescB);
foreach (ReferenceDescription refDescC in refDescCol)
{
if (refDescC.TypeDefinition == new ExpandedNodeId(RfidOpcUaForm.AutoID.ObjectTypes.RfidReaderDeviceType, (ushort)myHelperApi.GetNamespaceIndex(RfidOpcUaForm.AutoID.Namespaces.AutoID)))
{
refDescCol = myHelperApi.BrowseNode(refDescC);
foreach (ReferenceDescription refDescD in refDescCol)
{
if (refDescD.BrowseName.Name == "AutoIdModelVersion")
{
nameSpaceIndex = refDescD.NodeId.NamespaceIndex;
break;
}
}
break;
}
}
break;
}
}
break;
}
}
return(nameSpaceIndex);
}
private void GetNodes(ReferenceDescriptionCollection refDes, NavModal parent)
{
//parent 上一层的modal
for (int i = 0; i < refDes.Count; i++)
{
NavModal thisModal = new NavModal()
{
Id = Guid.NewGuid().ToString(),
Node = new Node(refDes[i]),
Parent = parent
};
parent.Children.Add(thisModal);
if (refDes[i].NodeClass == NodeClass.Variable)
{
continue;
}
ReferenceDescriptionCollection collection = uAClient.BrowseNode(refDes[i]);
if (collection.Count > 0)
{
GetNodes(collection, thisModal);
}
}
}
private void GetIDsAtConstruction()
{
ReferenceDescriptionCollection refDescCol = new ReferenceDescriptionCollection();
ReferenceDescriptionCollection foundRefDescCol = new ReferenceDescriptionCollection();
refDescCol = myHelperApi.BrowseRoot();
foreach (ReferenceDescription refDescA in refDescCol)
{
if (refDescA.BrowseName.Name == "Objects")
{
refDescCol = myHelperApi.BrowseNode(refDescA);
foreach (ReferenceDescription refDescB in refDescCol)
{
if (refDescB.BrowseName.Name == "DeviceSet")
{
refDescCol = myHelperApi.BrowseNode(refDescB);
foreach (ReferenceDescription refDescC in refDescCol)
{
if (refDescC.TypeDefinition == new ExpandedNodeId(AutoID.ObjectTypes.RfidReaderDeviceType, (ushort)myHelperApi.GetNamespaceIndex(AutoID.Namespaces.AutoID)))
{
foundRefDescCol.Add(refDescC);
}
}
}
}
}
}
MethodIds methodIds;
for (int i = 0; i < foundRefDescCol.Count; i++)
{
refDescCol = myHelperApi.BrowseNode(foundRefDescCol[i]);
foreach (ReferenceDescription refDescD in refDescCol)
{
if (refDescD.BrowseName.Name == "Scan")
{
objectIdentifier = (uint)foundRefDescCol[i].NodeId.Identifier;
methodIdentifier = (uint)refDescD.NodeId.Identifier;
methodIds.method = MethodToCall.Scan;
methodIds.readpoint = i;
methodIds.methodNodeId = methodIdentifier;
methodIds.objectNodeId = objectIdentifier;
methodIdList[i].Add(methodIds);
}
else if (refDescD.BrowseName.Name == "ScanStart")
{
objectIdentifier = (uint)foundRefDescCol[i].NodeId.Identifier;
methodIdentifier = (uint)refDescD.NodeId.Identifier;
methodIds.method = MethodToCall.ScanStart;
methodIds.readpoint = i;
methodIds.methodNodeId = methodIdentifier;
methodIds.objectNodeId = objectIdentifier;
methodIdList[i].Add(methodIds);
}
else if (refDescD.BrowseName.Name == "ScanStop")
{
objectIdentifier = (uint)foundRefDescCol[i].NodeId.Identifier;
methodIdentifier = (uint)refDescD.NodeId.Identifier;
methodIds.method = MethodToCall.ScanStop;
methodIds.readpoint = i;
methodIds.methodNodeId = methodIdentifier;
methodIds.objectNodeId = objectIdentifier;
methodIdList[i].Add(methodIds);
}
else if (refDescD.BrowseName.Name == "ReadTag")
{
objectIdentifier = (uint)foundRefDescCol[i].NodeId.Identifier;
methodIdentifier = (uint)refDescD.NodeId.Identifier;
methodIds.method = MethodToCall.ReadTag;
methodIds.readpoint = i;
methodIds.methodNodeId = methodIdentifier;
methodIds.objectNodeId = objectIdentifier;
methodIdList[i].Add(methodIds);
}
else if (refDescD.BrowseName.Name == "WriteTag")
{
objectIdentifier = (uint)foundRefDescCol[i].NodeId.Identifier;
methodIdentifier = (uint)refDescD.NodeId.Identifier;
methodIds.method = MethodToCall.WriteTag;
methodIds.readpoint = i;
methodIds.methodNodeId = methodIdentifier;
methodIds.objectNodeId = objectIdentifier;
methodIdList[i].Add(methodIds);
}
else if (refDescD.BrowseName.Name == "KillTag")
{
objectIdentifier = (uint)foundRefDescCol[i].NodeId.Identifier;
methodIdentifier = (uint)refDescD.NodeId.Identifier;
methodIds.method = MethodToCall.KillTag;
methodIds.readpoint = i;
methodIds.methodNodeId = methodIdentifier;
methodIds.objectNodeId = objectIdentifier;
methodIdList[i].Add(methodIds);
}
else if (refDescD.BrowseName.Name == "LockTag")
{
objectIdentifier = (uint)foundRefDescCol[i].NodeId.Identifier;
methodIdentifier = (uint)refDescD.NodeId.Identifier;
methodIds.method = MethodToCall.LockTag;
methodIds.readpoint = i;
methodIds.methodNodeId = methodIdentifier;
methodIds.objectNodeId = objectIdentifier;
methodIdList[i].Add(methodIds);
}
else if (refDescD.BrowseName.Name == "SetTagPassword")
{
objectIdentifier = (uint)foundRefDescCol[i].NodeId.Identifier;
methodIdentifier = (uint)refDescD.NodeId.Identifier;
methodIds.method = MethodToCall.SetTagPw;
methodIds.readpoint = i;
methodIds.methodNodeId = methodIdentifier;
methodIds.objectNodeId = objectIdentifier;
methodIdList[i].Add(methodIds);
}
}
}
}
/// <summary>
/// Call the Browse service of an UA server.
/// </summary>
/// <param name="parentNode">The node of the treeview to browse.</param>
public int Browse(TreeNode parentNode)
{
NodeId nodeToBrowse = null;
TreeNodeCollection parentCollection = null;
// Check if we browse from root
if (parentNode == null)
{
nodeToBrowse = new NodeId(Objects.RootFolder, 0);
// Get all the tree nodes that are assigned to the control
parentCollection = tvBrowseTree.Nodes;
}
else
{
// Get the data about the parent tree node
ReferenceDescription parentRefDescription = (ReferenceDescription)parentNode.Tag;
if (parentRefDescription == null)
{
return(-1);
}
nodeToBrowse = (NodeId)parentRefDescription.NodeId;
parentCollection = parentNode.Nodes;
}
ReferenceDescriptionCollection browseResults;
ReferenceDescription refDesc;
int result = 0;
bool bBrowse;
// Set wait cursor.
Cursor.Current = Cursors.WaitCursor;
// Check if we want to browse on the server.
if (m_RebrowseOnExpandNode)
{
bBrowse = true;
}
else if (parentNode == null)
{
bBrowse = true;
}
else if (parentNode.Checked)
{
bBrowse = false;
}
else
{
bBrowse = true;
}
// Delete children if required.
if (bBrowse)
{
if (parentNode != null)
{
parentNode.Nodes.Clear();
}
try
{
// Call browse service.
refDesc = new ReferenceDescription();
refDesc.NodeId = nodeToBrowse;
browseResults = m_Server.BrowseNode(refDesc);
if (browseResults == null)
{
return(-1);
}
if (result == 0)
{
// Add children.
tvBrowseTree.BeginUpdate();
// Mark parent node as browsed.
if (parentNode != null)
{
parentNode.Checked = true;
}
foreach (ReferenceDescription refDescr in browseResults)
{
if (refDescr.ReferenceTypeId != ReferenceTypeIds.HasNotifier)
{
TreeNode node = new TreeNode();
node.Text = refDescr.BrowseName.Name.ToString();
node.Tag = refDescr;
CustomizeTreeNode(ref node);
// Add dummy child.
TreeNode dummy = new TreeNode("dummy");
node.Nodes.Add(dummy);
parentCollection.Add(node);
}
}
// Sort the tree nodes of the particular node collection
this.SortTreeNode((parentNode == null) ? tvBrowseTree.Nodes : parentNode.Nodes);
tvBrowseTree.EndUpdate();
// Update status label.
OnUpdateStatusLabel("Browse succeeded.", true);
}
else
{
// Update status label.
OnUpdateStatusLabel("Browse failed. Error: " + result.ToString(), false);
}
}
catch (Exception e)
{
result = -1;
// Update status label.
OnUpdateStatusLabel("An exception occured while browsing: " + e.Message, false);
}
}
// Restore default cursor.
Cursor.Current = Cursors.Default;
return(result);
}