public bool DoBrowse()
{
try
{
OPCNAMESPACETYPE opcorgi = theSrv.QueryOrganization();
// fill TreeView with all
treeOpcItems.Nodes.Clear();
TreeNode tnRoot = new TreeNode(rootname, 0, 1);
if (opcorgi == OPCNAMESPACETYPE.OPC_NS_HIERARCHIAL)
{
theSrv.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_TO, ""); // to root
RecurBrowse(tnRoot, 1);
}
treeOpcItems.Nodes.Add(tnRoot);
tnRoot.ExpandAll(); // expand all nodes ([+] -> [-])
tnRoot.EnsureVisible(); // make the root visible
// preselect root (dummy)
treeOpcItems.SelectedNode = tnRoot; // force treeOpcItems_AfterSelect
}
catch (COMException /* eX */)
{
MessageBox.Show(this, "browse error!", "DoBrowse", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
return(true);
}
public void BrowseServerAndAddItems()
{
_itemAccessMutex.WaitOne();
try
{
List <string> l_ItemIds = new List <string>();
OpcNamespaceType l_ServerOrganization = _server.QueryOrganization();
// Browse to root
_server.ChangeBrowsePosition(OpcBrowseDirection.OPC_BROWSE_TO, "");
if (l_ServerOrganization == OpcNamespaceType.OPC_NS_HIERARCHIAL)
{
RecursiveServerHierarchialBrowse(ref l_ItemIds);
}
else
{
RecursiveServerFlatBrowse(ref l_ItemIds);
}
ValidateItemIds(ref l_ItemIds);
AddItems(l_ItemIds);
}
catch (Exception l_Ex)
{
Disconnect();
throw l_Ex;
}
finally
{
_itemAccessMutex.ReleaseMutex();
}
}
public void TestQueryOrganization01()
{
//testing --
OpcServer opcServer = new OpcServer();
Accessor opcServerAccessor = ReflectionAccessor.Wrap(opcServer);
opcServerAccessor.SetField("ifServer", new OPCServerComClass());
opcServerAccessor.SetField("ifBrowse", ((IOPCBrowseServerAddressSpace)opcServerAccessor.GetField("ifServer")));
//Test Procedure Call
OPCNAMESPACETYPE spaceType = opcServer.QueryOrganization();
//Post Condition Check
}
private bool DoBrowse()
{
try
{
OPCNAMESPACETYPE opcorgi = _theSrv.QueryOrganization();
// fill Tree with all
OpcNamespacesTree.Clear();
if (opcorgi == OPCNAMESPACETYPE.OPC_NS_HIERARCHIAL)
{
_theSrv.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_TO, ""); // to root
RecurBrowse(OpcNamespacesTree, 1);
}
}
catch (COMException ex)
{
throw ex;
}
return(true);
}
