// recursively call the OPC namespace tree
public bool RecurBrowse(TreeNode tnParent, int depth)
{
try
{
ArrayList lst;
theSrv.Browse(OPCBROWSETYPE.OPC_BRANCH, out lst);
if (lst == null)
{
return(true);
}
if (lst.Count < 1)
{
return(true);
}
foreach (string s in lst)
{
TreeNode tnNext = new TreeNode(s, 0, 1);
theSrv.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_DOWN, s);
RecurBrowse(tnNext, depth + 1);
theSrv.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_UP, "");
tnParent.Nodes.Add(tnNext);
}
}
catch (COMException /* eX */)
{
MessageBox.Show(this, "browse error!", "RecurBrowse", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
return(true);
}
/// <summary>
/// recursively call the OPC namespace tree
/// </summary>
/// <param name="tnParent">tnParent</param>
/// <param name="depth">depth</param>
private void RecurBrowse(TreeNode <string> tnParent, int depth)
{
ArrayList lst;
_theSrv.Browse(OPCBROWSETYPE.OPC_BRANCH, out lst);
if (lst == null)
{
return;
}
if (lst.Count < 1)
{
return;
}
foreach (string s in lst)
{
TreeNode <string> tnNext = new TreeNode <string>(s);
_theSrv.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_DOWN, s);
RecurBrowse(tnNext, depth + 1);
_theSrv.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_UP, "");
tnParent.AddChild(tnNext);
}
}
// recursively call the OPC namespace tree
public bool RecurBrowse(TreeNode tnParent, int depth, string name = "")
{
try
{
ArrayList lst;
string tempStr = "";
theSrv.Browse(OPCBROWSETYPE.OPC_BRANCH, out lst);
if (lst == null)
{
return(true);
}
if (lst.Count < 1)
{
return(true);
}
foreach (string s in lst)
{
if (s == "192_168_1_211")
{
tempStr = s;
}
TreeNode tnNext = new TreeNode(s, 0, 1);
theSrv.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_DOWN, s);
string tmpName = (name == ""?tnNext.Text:name + "." + tnNext.Text);
RecurBrowse(tnNext, depth + 1, tmpName);
if (tnParent.Text == "Root")
{
theSrv.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_TO, "");
}
else
{
theSrv.ChangeBrowsePosition(OPCBROWSEDIRECTION.OPC_BROWSE_TO, tnParent.Text);
}
if (tnNext.FirstNode == null)
{
string[] strTemp = new string[2];
strTemp[0] = tmpName;
strTemp[1] = "1";
itemsValue.Add(strTemp);
}
//TreeNode previous = tnParent;
tnParent.Nodes.Add(tnNext);
}
}
catch (COMException eX)
{
Console.WriteLine(eX.ToString());
MessageBox.Show(this, "browse error!", "RecurBrowse", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
return(true);
}
private void RecursiveServerHierarchialBrowse(ref List <string> p_ItemIds)
{
ArrayList l_ItemList;
_server.Browse(OpcBrowseType.OPC_LEAF, out l_ItemList);
foreach (string l_ItemName in l_ItemList)
{
p_ItemIds.Add(_server.GetItemID(l_ItemName));
}
ArrayList l_BranchList;
_server.Browse(OpcBrowseType.OPC_BRANCH, out l_BranchList);
foreach (string l_BranchName in l_BranchList)
{
_server.ChangeBrowsePosition(OpcBrowseDirection.OPC_BROWSE_DOWN, l_BranchName);
RecursiveServerHierarchialBrowse(ref p_ItemIds);
_server.ChangeBrowsePosition(OpcBrowseDirection.OPC_BROWSE_UP, "");
}
}
public void TestBrowse01()
{
//testing --
OpcServer opcServer = new OpcServer();
Accessor opcServerAccessor = ReflectionAccessor.Wrap(opcServer);
opcServerAccessor.SetField("ifServer", new OPCServerComClass());
opcServerAccessor.SetField("ifBrowse", ((IOPCBrowseServerAddressSpace)opcServerAccessor.GetField("ifServer")));
System.Collections.ArrayList arrList;
//Test Procedure Call
opcServer.Browse(global::OPCTrendLib.OPCDataInterface.OPCBROWSETYPE.OPC_BRANCH, out arrList);
//Post Condition Check
}
