Michael Freidgeim's Blog

using System.Collections;

using System.Collections.Specialized;

using System.IO;

//'Refer from http://www.webservertalk.com/message309144.html

using Cisso; // COM REF ixsso Control Library (Indexing services)

using ADODB; // COM REF Microsoft ActiveX Data Objects 2.7 Library C:\Program Files\Microsoft.NET\Primary Interop Assemblies\adodb.dll

        public void CallVKnowledgeRemoteCatalogWithDirectoriesSpecified()

        {

            string CatalogName;

            string[] aScopeDirectories;

            CatalogName = "query://vKnowledge/LocalManyFiles";

            aScopeDirectories = new string[] { @"C:\DataSamples\Indexing\TestFolder" };

            QueryWithScope(CatalogName, aScopeDirectories);

            aScopeDirectories = new string[] { @"C:\DataSamples\Indexing\TestFolder",@"C:\XXX" };

            QueryWithScope(CatalogName, aScopeDirectories);

            aScopeDirectories = new string[] { @"C:\DataSamples\Indexing\ManyFilesTest" };

            QueryWithScope(CatalogName, aScopeDirectories);

            aScopeDirectories = new string[] { };

            QueryWithScope(CatalogName, aScopeDirectories);

            aScopeDirectories = new string[] { @"C:\DataSamples\Indexing\ManyFilesTest", @"C:\DataSamples\Indexing\TestFolder" };

            QueryWithScope(CatalogName, aScopeDirectories);

        }

        private static void QueryWithScope(string CatalogName, string[] aScopeDirectories)

        {

            DateTime timeStart = DateTime.Now;//to report timeout errors

            //from http://groups.google.com.au/group/microsoft.public.dotnet.languages.csharp/msg/0f1f669443401cf4?hl=en

            CissoQueryClass query = new CissoQueryClass();

            CissoUtilClass util = new CissoUtilClass();

            ADODB.Recordset rs = null;

            try

            {

                query.Query = @"not #vpath = *\_vti_* and not #filename *.config AND {prop name=all} ""Library"" {/prop}";//qb.Query;

                query.Catalog = CatalogName;

                query.SortBy = "Rank [d]";//qb.SortBy;

                query.Columns = "Rank, VPath, DocTitle, Filename, Characterization, Write, Path ,ClassId, DocAppName";//qb.Columns;

                foreach (string sDir in aScopeDirectories)

                {

                    util.AddScopeToQuery(query, sDir, "deep");

                }

                GetAndPrintRecordset(query, ref rs,10);

                Trace.WriteLine(TraceHelper.TracedTimeSpanAsString(timeStart, " IXSSO timespan = "));

            }

            finally

            {   //19/9/2005 recommended by http://www.eggheadcafe.com/forumarchives/inetserverindexserver/Aug2005/post23479438.asp

                if (rs != null) Marshal.ReleaseComObject(rs); //Recordset 

                if (query != null) Marshal.ReleaseComObject(query); //Query 

                if (util != null) Marshal.ReleaseComObject(util); //Utils 

                query = null;

                util = null;

                rs = null;

            }

        }

        private static void GetAndPrintRecordset(CissoQueryClass query, ref ADODB.Recordset rs, int MaxRecordsToPrint)

        {

            rs = (ADODB.Recordset)query.CreateRecordset("nonsequential");

            Trace.WriteLine("rs rows=" + rs.RecordCount);

            int i = 0;

            while (!rs.EOF)

            {

                DebugHelper.PrintCurrentRow(rs, "");

                rs.MoveNext();

                if (i++ > MaxRecordsToPrint) break;

            }

         //   Trace.WriteLine(TraceHelper.TracedTimeSpanAsString(timeStart, " return recordset "));

        }//GetPageDataSet

And the code for workaround: