WMEncoderLib question - changing encoding rate??

Well, after much consternation attempting to use the load profile method, I found that this is the way to do it.
        private static bool done = false;

Somewhere in your main code, or create a method...

            string inputFile = "source.wma";
            string outputFile = "destination.wma";

                // Create encoder:
                enc = new WMEncoderLib.WMEncoderClass();
                enc.OnStateChange += new _IWMEncoderEvents_OnStateChangeEventHandler(OnStateChange);
                profile = new WMEncoderLib.WMEncProfile2Class();
                profile.ContentType = WMENC_CONTENT_ONE_AUDIO;
                profile.ProfileName = "Profile1";
                audience = profile.AddAudience(10000000);
                // Set the encoding codec to WMA9STD with 1-pass CBR encoding:
                int    idxCodec = profile.GetCodecIndexFromFourCC(WMENC_SOURCE_TYPE.WMENC_AUDIO,WMA9STD_FOURCC);
                //profile.EnumAudioCodec(idxCodec, out codecName);
                audience.set_AudioCodec(0, idxCodec);
                // 2 channels, 22kHz sampling rate, 32kbps bitrate, 16-bit samples
                audience.SetAudioConfig(0, 2, 22050, 32024, 16);
                srcGroup = enc.SourceGroupCollection.Add("SG_1");
                srcGroup.set_Profile(profile);
                src = srcGroup.AddSource(WMEncoderLib.WMENC_SOURCE_TYPE.WMENC_AUDIO);
                src.SetInput(inputFile, String.Empty, String.Empty);
                enc.File.LocalFileName = outputFile;
                enc.AutoStop = true;
                enc.PrepareToEncode(true);
                enc.Start();
                while (!done)
                    Thread.Sleep(10);
                enc.Stop();
            } finally {
                if (enc != null) Marshal.ReleaseComObject(enc);
                if (srcGroup != null) Marshal.ReleaseComObject(srcGroup);
                if (src != null) Marshal.ReleaseComObject(src);
                if (profile != null) Marshal.ReleaseComObject(profile);
                if (audience != null) Marshal.ReleaseComObject(audience);
            }
        private static void OnStateChange(WMENC_ENCODER_STATE state)
        {
            if (state == WMENC_ENCODER_STATE.WMENC_ENCODER_STOPPED)
            {
                done = true;
            }
        }