private void RecurBrowse(List <OPCNode> parentNodes, OPCNode parent, List <string> FullPathObj)
{
ArrayList lst = this.Browse(OPCBROWSETYPE.OPC_BRANCH);
if (lst == null)
{
return;
}
if (lst.Count < 1)
{
return;
}
foreach (string s in lst)
{
this.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_DOWN, s);
OPCNode node = new OPCNode(s);
node.OpcServer = this;
if (FullPathObj == null)
{
FullPathObj = new List <string>();
}
FullPathObj.Add(s);
node.FullPathObj = FullPathObj;
node.Parent = parent;
this.OnEnumNodes(FullPathObj, node);
parentNodes.Add(node);
ArrayList lstItem = this.Browse(OPCBROWSETYPE.OPC_LEAF);
node._NodeItems = new List <OPCNodeItem>();
if (lstItem != null)
{
foreach (string sItem in lstItem)
{
OPCNodeItem item = new OPCNodeItem();
item.Name = sItem;
item.ID = this.GetItemID(sItem);
node._NodeItems.Add(item);
}
}
node._Nodes = new List <OPCNode>();
RecurBrowse(node._Nodes, node, FullPathObj);
this.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_UP, "");
}
}
public List <OPCNode> GetNodes(List <string> FullPathObj)
{
try
{
QueryOrganization();
}
catch (OnlyItemsException)
{
return(new List <OPCNode>());
}
catch (Exception)
{
}
this.MoveToRoot();
//this.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_TO, "/");
if (FullPathObj == null)
{
FullPathObj = new List <string>();
}
foreach (string s in FullPathObj)
{
this.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_DOWN, s);
}
List <OPCNode> newNodes = new List <OPCNode>();
ArrayList lst = this.Browse(OPCBROWSETYPE.OPC_BRANCH);
foreach (string s in lst)
{
OPCNode node = new OPCNode(s);
newNodes.Add(node);
node.FullPathObj = new List <string>();
foreach (string path in FullPathObj)
{
node.FullPathObj.Add(path);
}
node.FullPathObj.Add(s);
node.OpcServer = this;
}
return(newNodes);
}
private void Async_enumNodes(object param)
{
object[] params_ = param as object[];
List <string> FullPathObj = params_[0] as List <string>;
bool onlyitem = (bool)params_[2];
object tag = params_[1];
ArrayList lst = null;
UCOMIEnumString enumerator;
int cft;
string[] strF = new string[100];
int hresult;
if (onlyitem == false)
{
BrowseOPCItemIDs(OPCBROWSETYPE.OPC_BRANCH, "", VarEnum.VT_EMPTY, 0, out enumerator);
if (enumerator != null)
{
do
{
cft = 0;
hresult = enumerator.Next(1, strF, out cft);
if (cft > 0)
{
OPCNode newNode = new OPCNode(strF[0]);
newNode.FullPathObj = new List <string>();
foreach (string path in FullPathObj)
{
newNode.FullPathObj.Add(path);
}
newNode.FullPathObj.Add(newNode.Name);
if (AsyncGetNode != null)
{
AsyncGetNode(tag, newNode);
}
}
else
{
break;
}
}while (hresult == HRESULTS.S_OK);
}
}
BrowseOPCItemIDs(OPCBROWSETYPE.OPC_LEAF, "", VarEnum.VT_EMPTY, 0, out enumerator);
if (enumerator == null)
{
if (AsyncGetNodeCompleted != null)
{
this.AsyncGetNodeCompleted(this, tag);
}
return;
}
do
{
cft = 0;
hresult = enumerator.Next(1, strF, out cft);
if (cft > 0)
{
OPCNode newNode = new OPCNode(strF[0]);
newNode.FullPathObj = new List <string>();
foreach (string path in FullPathObj)
{
newNode.FullPathObj.Add(path);
}
newNode.FullPathObj.Add(newNode.Name);
if (AsyncGetNode != null)
{
newNode.ID = this.GetItemID(newNode.Name);
newNode.IsItemProperty = true;
AsyncGetNode(tag, newNode);
}
}
else
{
break;
}
}while (hresult == HRESULTS.S_OK);
if (AsyncGetNodeCompleted != null)
{
this.AsyncGetNodeCompleted(this, tag);
}
}
