// This example shows how to obtain all method nodes under a given node of the OPC-UA address space.
// For each node, it displays its browse name and node ID.
#include "stdafx.h" // Includes "QuickOpc.h", and other commonly used files
#include "BrowseMethods.h"
namespace _EasyUAClient
{
void BrowseMethods::Main()
{
// Initialize the COM library
CoInitializeEx(NULL, COINIT_MULTITHREADED);
{
// Instantiate the client object
_EasyUAClientPtr ClientPtr(__uuidof(EasyUAClient));
// Perform the operation
_UANodeElementCollectionPtr NodeElementsPtr = ClientPtr->BrowseMethods(
//L"http://opcua.demo-this.com:51211/UA/SampleServer",
L"opc.tcp://opcua.demo-this.com:51210/UA/SampleServer",
L"nsu=http://test.org/UA/Data/ ;i=10755");
// Display results
IEnumVARIANTPtr EnumNodeElementPtr = NodeElementsPtr->GetEnumerator();
_variant_t vNodeElement;
while (EnumNodeElementPtr->Next(1, &vNodeElement, NULL) == S_OK)
{
_UANodeElementPtr NodeElementPtr(vNodeElement);
_tprintf(_T("%s: "), (LPCTSTR)CW2CT(NodeElementPtr->BrowseName->ToString));
_tprintf(_T("%s\n"), (LPCTSTR)CW2CT(NodeElementPtr->NodeId->ToString));
vNodeElement.Clear();
}
}
// Release all interface pointers BEFORE calling CoUninitialize()
CoUninitialize();
}
}
// This example shows how to obtain all method nodes under a given node of
// the OPC-UA address space. For each node, it displays its browse name and
// node ID.
class procedure BrowseMethods.Main;
var
Client: EasyUAClient;
Count: Cardinal;
Element: OleVariant;
NodeElement: _UANodeElement;
NodeElementEnumerator: IEnumVariant;
NodeElements: _UANodeElementCollection;
begin
// Instantiate the client object
Client := CoEasyUAClient.Create;
NodeElements := Client.BrowseMethods(
//'http://opcua.demo-this.com:51211/UA/SampleServer',
'opc.tcp://opcua.demo-this.com:51210/UA/SampleServer',
'nsu=http://test.org/UA/Data/ ;i=10755');
NodeElementEnumerator := NodeElements.GetEnumerator;
while (NodeElementEnumerator.Next(1, Element, Count) = S_OK) do
begin
NodeElement := IUnknown(Element) as _UANodeElement;
WriteLn(NodeElement.BrowseName.ToString, ': ', NodeElement.NodeId.ToString);
end;
end;
// This example shows how to obtain all method nodes under a given node of
// the OPC-UA address space. For each node, it displays its browse name and
// node ID.
class procedure BrowseMethods.Main;
var
Client: OpcLabs_EasyOpcUA_TLB._EasyUAClient;
Count: Cardinal;
Element: OleVariant;
NodeElement: _UANodeElement;
NodeElementEnumerator: IEnumVariant;
NodeElements: _UANodeElementCollection;
begin
// Instantiate the client object
Client := CoEasyUAClient.Create;
try
NodeElements := Client.BrowseMethods(
//'http://opcua.demo-this.com:51211/UA/SampleServer',
//'https://opcua.demo-this.com:51212/UA/SampleServer/',
'opc.tcp://opcua.demo-this.com:51210/UA/SampleServer',
'nsu=http://test.org/UA/Data/ ;i=10755');
except
on E: EOleException do
begin
WriteLn(Format('*** Failure: %s', [E.GetBaseException.Message]));
Exit;
end;
end;
NodeElementEnumerator := NodeElements.GetEnumerator;
while (NodeElementEnumerator.Next(1, Element, Count) = S_OK) do
begin
NodeElement := IUnknown(Element) as _UANodeElement;
WriteLn(NodeElement.BrowseName.ToString, ': ', NodeElement.NodeId.ToString);
end;
// Example output:
// ScalarMethod1: nsu=http://test.org/UA/Data/ ;ns=2;i=10756
// ScalarMethod2: nsu=http://test.org/UA/Data/ ;ns=2;i=10759
// ScalarMethod3: nsu=http://test.org/UA/Data/ ;ns=2;i=10762
// ArrayMethod1: nsu=http://test.org/UA/Data/ ;ns=2;i=10765
// ArrayMethod2: nsu=http://test.org/UA/Data/ ;ns=2;i=10768
// ArrayMethod3: nsu=http://test.org/UA/Data/ ;ns=2;i=10771
// UserScalarMethod1: nsu=http://test.org/UA/Data/ ;ns=2;i=10774
// UserScalarMethod2: nsu=http://test.org/UA/Data/ ;ns=2;i=10777
// UserArrayMethod1: nsu=http://test.org/UA/Data/ ;ns=2;i=10780
// UserArrayMethod2: nsu=http://test.org/UA/Data/ ;ns=2;i=10783
end;
// This example shows how to obtain all method nodes under a given node of the OPC-UA address space.
// For each node, it displays its browse name and node ID.
// Instantiate the client object
$Client = new COM("OpcLabs.EasyOpc.UA.EasyUAClient");
// Perform the operation
try
{
$NodeElements = $Client->BrowseMethods(
//"http://opcua.demo-this.com:51211/UA/SampleServer",
"opc.tcp://opcua.demo-this.com:51210/UA/SampleServer",
"nsu=http://test.org/UA/Data/ ;i=10755");
}
catch (com_exception $e)
{
printf("*** Failure: %s\n", $e->getMessage());
Exit();
}
// Display results
foreach ($NodeElements as $NodeElement)
{
printf(" s\n", $NodeElement->BrowseName, $NodeElement->NodeId);
}
Rem This example shows how to obtain all method nodes under a given node of the OPC-UA address space.
Rem For each node, it displays its browse name and node ID.
Public Sub BrowseMethods_Main_Command_Click()
OutputText = ""
' Instantiate the client object
Dim Client As New EasyUAClient
' Perform the operation
On Error Resume Next
Dim NodeElements As UANodeElementCollection
Set NodeElements = Client.BrowseMethods("opc.tcp://opcua.demo-this.com:51210/UA/SampleServer", "nsu=http://test.org/UA/Data/ ;i=10755")
If Err.Number <> 0 Then
OutputText = OutputText & "*** Failure: " & Err.Source & ": " & Err.Description & vbCrLf
Exit Sub
End If
On Error GoTo 0
' Display results
Dim NodeElement: For Each NodeElement In NodeElements
OutputText = OutputText & NodeElement.BrowseName & ": " & NodeElement.NodeId & vbCrLf
Next
End Sub
Rem This example shows how to obtain all method nodes under a given node of the OPC-UA address space.
Rem For each node, it displays its browse name and node ID.
Option Explicit
' Instantiate the client object
Dim Client: Set Client = CreateObject("OpcLabs.EasyOpc.UA.EasyUAClient")
' Perform the operation
On Error Resume Next
Dim NodeElements: Set NodeElements = Client.BrowseMethods("opc.tcp://opcua.demo-this.com:51210/UA/SampleServer", "nsu=http://test.org/UA/Data/ ;i=10755")
If Err.Number <> 0 Then
WScript.Echo "*** Failure: " & Err.Source & ": " & Err.Description
WScript.Quit
End If
On Error Goto 0
' Display results
Dim NodeElement: For Each NodeElement In NodeElements
WScript.Echo NodeElement.BrowseName & ": " & NodeElement.NodeId
Next
' Example output:
'ScalarMethod1: nsu=http://test.org/UA/Data/ ;ns=2;i=10756
'ScalarMethod2: nsu=http://test.org/UA/Data/ ;ns=2;i=10759
'ScalarMethod3: nsu=http://test.org/UA/Data/ ;ns=2;i=10762
'ArrayMethod1: nsu=http://test.org/UA/Data/ ;ns=2;i=10765
'ArrayMethod2: nsu=http://test.org/UA/Data/ ;ns=2;i=10768
'ArrayMethod3: nsu=http://test.org/UA/Data/ ;ns=2;i=10771
'UserScalarMethod1: nsu=http://test.org/UA/Data/ ;ns=2;i=10774
'UserScalarMethod2: nsu=http://test.org/UA/Data/ ;ns=2;i=10777
'UserArrayMethod1: nsu=http://test.org/UA/Data/ ;ns=2;i=10780
'UserArrayMethod2: nsu=http://test.org/UA/Data/ ;ns=2;i=10783
