Dim instance As OpcXmlDA
Dim PropertyNames() As XmlQualifiedName
Dim LocaleID As String
Dim ClientRequestHandle As String
Dim ItemPath As String
Dim ItemName As String
Dim ContinuationPoint As String
Dim MaxElementsReturned As Integer
Dim BrowseFilter As browseFilter
Dim ElementNameFilter As String
Dim VendorFilter As String
Dim ReturnAllProperties As Boolean
Dim ReturnPropertyValues As Boolean
Dim ReturnErrorText As Boolean
Dim Elements As BrowseElement()
Dim Errors As OPCError()
Dim MoreElements As Boolean
Dim value As ReplyBase
 
value = instance.Browse(PropertyNames, LocaleID, ClientRequestHandle, ItemPath, ItemName, ContinuationPoint, MaxElementsReturned, BrowseFilter, ElementNameFilter, VendorFilter, ReturnAllProperties, ReturnPropertyValues, ReturnErrorText, Elements, Errors, MoreElements)

[SoapDocumentMethodAttribute(Action="http://opcfoundation.org/webservices/XMLDA/1.0/Browse", 
   RequestNamespace="http://opcfoundation.org/webservices/XMLDA/1.0/", 
   ResponseNamespace="http://opcfoundation.org/webservices/XMLDA/1.0/", 
   Use=SoapBindingUse.Literal, 
   ParameterStyle=SoapParameterStyle.Wrapped)]
public ReplyBase Browse( 
   XmlQualifiedName[] PropertyNames,
   string LocaleID,
   string ClientRequestHandle,
   string ItemPath,
   string ItemName,
   ref string ContinuationPoint,
   int MaxElementsReturned,
   browseFilter BrowseFilter,
   string ElementNameFilter,
   string VendorFilter,
   bool ReturnAllProperties,
   bool ReturnPropertyValues,
   bool ReturnErrorText,
   out BrowseElement[] Elements,
   out OPCError[] Errors,
   out bool MoreElements
)

Private Sub Browse(ByVal Srv As XmlServer, ByVal branch As String, ByVal propertyNames As XmlQualifiedName(), _
                               ByVal allProperties As Boolean,  ByVal propertyValues As Boolean, ByVal err As OPCError())

      Dim contP As String = Nothing
      Dim nodes As BrowseElement()
      Dim more As Boolean
      Dim rep As ReplyBase
      Try
         rep = Srv.Browse( propertyNames, Nothing, "BrowseAll", Nothing, branch, _
                                  contP, 10000, browseFilter.all, Nothing, Nothing, _
                                  allProperties, propertyValues, True, nodes, err, more)

         If nodes Is Nothing Then        ' error
            Return
         End If

      Catch ex As Exception
         MessageBox.Show(ex.Message, "Exception at Browse")
         err = Nothing
         Return
      End Try

      err = Nothing
      For Each bre As BrowseElement In nodes
         ' handle nodes
      Next
   End Sub

private void Browse( Srv as XmServer, string branch, XmlQualifiedName[] propertyNames, 
                                   bool allProperties, bool propertyValues, out OPCError[] err )
      {
         string contP = null ;
         BrowseElement[] nodes ;
         bool more ;
         ReplyBase rep ;
         try
         {
            rep = Srv.Browse( 
                        propertyNames,                          //properties to be returned
                        null,                                         //LocaleID, 
                        "BrowseAll",                               //ClientRequestHandle, 
                        null,                                         //ItemPath, 
                        branch,                                    //ItemName, 
                        ref contP,                                 //ContinuationPoint
                        10000,                                     //MaxElementsReturned, 
                        browseFilter.all,                         //browse mode branch,item,all
                        null,                                        //Element name filter 
                        null,                                         //VendorFilter, 
                        allProperties,                             //ReturnAllProperties, 
                        propertyValues,                         //ReturnPropertyValues,
                        true,                                       //ReturnErrorText
                        out nodes,                               //Elements
                        out err,                                   //Error info
                        out more ) ;

            if( (err != null) && (err.Length >0) && (nodes == null) )       // error
               return ;
         }
         catch( Exception ex )
         {
            MessageBox.Show( ex.Message, "Exception at Browse" );
            err = null;
            return ;
         }

         err = null ;
         foreach( BrowseElement bre in nodes )
         {
            // handle nodes
         }
      }