private async Task init()
        {
            var lselectedNode = m_FileFormatComboBox.SelectedItem as XmlNode;

            if (lselectedNode == null)
            {
                return;
            }

            var lSelectedAttr = lselectedNode.Attributes["Value"];

            if (lSelectedAttr == null)
            {
                return;
            }

            String limageSourceDir = System.IO.Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);

            SaveFileDialog lsaveFileDialog = new SaveFileDialog();

            lsaveFileDialog.InitialDirectory = limageSourceDir;

            lsaveFileDialog.DefaultExt = "." + lSelectedAttr.Value.ToLower();

            lsaveFileDialog.AddExtension = true;

            lsaveFileDialog.CheckFileExists = false;

            lsaveFileDialog.Filter = "Media file (*." + lSelectedAttr.Value.ToLower() + ")|*." + lSelectedAttr.Value.ToLower();

            var lresult = lsaveFileDialog.ShowDialog();

            if (lresult != true)
            {
                return;
            }

            var lFilename = lsaveFileDialog.FileName;

            lSelectedAttr = lselectedNode.Attributes["GUID"];

            if (lSelectedAttr == null)
            {
                return;
            }

            mFileSinkFactory = await mSinkControl.createFileSinkFactoryAsync(Guid.Parse(lSelectedAttr.Value));



            string lScreenCaptureSymbolicLink = "CaptureManager///Software///Sources///ScreenCapture///ScreenCapture";

            string lAudioLoopBack = "CaptureManager///Software///Sources///AudioEndpointCapture///AudioLoopBack";


            // Video Source
            uint lVideoSourceIndexStream = 0;

            uint lVideoSourceIndexMediaType = 2;

            int l_VideoCompressedMediaTypeSelectedIndex = 0;



            // Audio Source
            uint lAudioSourceIndexStream = 0;

            uint lAudioSourceIndexMediaType = 0;


            int l_AudioCompressedMediaTypeSelectedIndex = 0;


            string l_EncodersXMLstring = await mEncoderControl.getCollectionOfEncodersAsync();


            XmlDocument doc = new XmlDocument();

            doc.LoadXml(l_EncodersXMLstring);

            var lAttrNode = doc.SelectSingleNode("EncoderFactories/Group[@GUID='{73646976-0000-0010-8000-00AA00389B71}']/EncoderFactory[1]/@CLSID");

            if (lAttrNode == null)
            {
                return;
            }

            Guid l_VideoEncoder = Guid.Empty;

            Guid.TryParse(lAttrNode.Value, out l_VideoEncoder);


            lAttrNode = doc.SelectSingleNode("EncoderFactories/Group[@GUID='{73647561-0000-0010-8000-00AA00389B71}']/EncoderFactory[1]/@CLSID");

            if (lAttrNode == null)
            {
                return;
            }

            Guid l_AudioEncoder = Guid.Empty;

            Guid.TryParse(lAttrNode.Value, out l_AudioEncoder);



            List <object> lCompressedMediaTypeList = new List <object>();

            if (true)
            {
                object lCompressedMediaType = await getCompressedMediaType(
                    lScreenCaptureSymbolicLink,
                    lVideoSourceIndexStream,
                    lVideoSourceIndexMediaType,
                    l_VideoEncoder,
                    m_VideoEncoderMode,
                    l_VideoCompressedMediaTypeSelectedIndex);

                if (lCompressedMediaType != null)
                {
                    lCompressedMediaTypeList.Add(lCompressedMediaType);
                }
            }


            if (true)
            {
                object lCompressedMediaType = await getCompressedMediaType(
                    lAudioLoopBack,
                    lAudioSourceIndexStream,
                    lAudioSourceIndexMediaType,
                    l_AudioEncoder,
                    m_AudioEncoderMode,
                    l_AudioCompressedMediaTypeSelectedIndex);

                if (lCompressedMediaType != null)
                {
                    lCompressedMediaTypeList.Add(lCompressedMediaType);
                }
            }


            List <object> lOutputNodes = await getOutputNodes(lCompressedMediaTypeList, lFilename);

            if (lOutputNodes == null || lOutputNodes.Count == 0)
            {
                return;
            }

            var lSinkFactory = await mSinkControl.createEVRSinkFactoryAsync(
                Guid.Empty);

            object lEVROutputNode = await lSinkFactory.createOutputNodeAsync(
                mVideoPanel.Handle);

            if (lEVROutputNode == null)
            {
                return;
            }


            object SpreaderNode = lEVROutputNode;

            if (true)
            {
                var lEncoderNode = await getEncoderNode(
                    lScreenCaptureSymbolicLink,
                    lVideoSourceIndexStream,
                    lVideoSourceIndexMediaType,
                    l_VideoEncoder,
                    m_VideoEncoderMode,
                    l_VideoCompressedMediaTypeSelectedIndex,
                    lOutputNodes[0]);

                List <object> lOutputNodeList = new List <object>();

                lOutputNodeList.Add(lEncoderNode);

                lOutputNodeList.Add(lEVROutputNode);

                SpreaderNode = await mSpreaderNodeFactory.createSpreaderNodeAsync(
                    lOutputNodeList);

                //SpreaderNode = lEncoderNode;
            }



            var lMixerNodeFactory = await mStreamControl.createMixerNodeFactoryAsync();

            List <object> lVideoTopologyInputMixerNodes = await lMixerNodeFactory.createMixerNodesAsync(
                SpreaderNode,
                2);

            if (lVideoTopologyInputMixerNodes.Count == 0)
            {
                return;
            }

            for (int i = 1; i < lVideoTopologyInputMixerNodes.Count; i++)
            {
                mVideoTopologyInputMixerNodes.Add(lVideoTopologyInputMixerNodes[i]);
            }



            object lAudioEncoderNode = null;

            if (true)
            {
                lAudioEncoderNode = await getEncoderNode(
                    lAudioLoopBack,
                    lAudioSourceIndexStream,
                    lAudioSourceIndexMediaType,
                    l_AudioEncoder,
                    m_AudioEncoderMode,
                    l_AudioCompressedMediaTypeSelectedIndex,
                    lOutputNodes[1]);
            }


            List <object> lAudioTopologyInputMixerNodes = await lMixerNodeFactory.createMixerNodesAsync(
                lAudioEncoderNode,
                2);

            if (lAudioTopologyInputMixerNodes.Count == 0)
            {
                return;
            }

            mAudioTopologyInputMixerNode = lAudioTopologyInputMixerNodes[1];



            List <object> lSourceNodes = new List <object>();

            if (true)
            {
                object lSourceNode = await getSourceNode(
                    lScreenCaptureSymbolicLink,
                    lVideoSourceIndexStream,
                    lVideoSourceIndexMediaType,
                    lVideoTopologyInputMixerNodes[0]);

                if (lSourceNodes != null)
                {
                    lSourceNodes.Add(lSourceNode);
                }
            }



            if (true)
            {
                object lSourceNode = await getSourceNode(
                    lAudioLoopBack,
                    lAudioSourceIndexStream,
                    lAudioSourceIndexMediaType,
                    lAudioTopologyInputMixerNodes[0]);

                if (lSourceNodes != null)
                {
                    lSourceNodes.Add(lSourceNode);
                }
            }


            mISession = await mISessionControl.createSessionAsync(lSourceNodes.ToArray());

            if (mISession != null)
            {
                mStartStopTxtBlk.Text = "Stop";

                await mISession.startSessionAsync(0, Guid.Empty);

                mSourcesPanel.IsEnabled = true;
            }
        }
        private async Task init()
        {
            var l_image_source = await createImageSource();

            if (l_image_source == null)
            {
                return;
            }

            var lselectedNode = m_FileFormatComboBox.SelectedItem as XmlNode;

            if (lselectedNode == null)
            {
                return;
            }

            var lSelectedAttr = lselectedNode.Attributes["Value"];

            if (lSelectedAttr == null)
            {
                return;
            }

            String limageSourceDir = System.IO.Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);

            SaveFileDialog lsaveFileDialog = new SaveFileDialog();

            lsaveFileDialog.InitialDirectory = limageSourceDir;

            lsaveFileDialog.DefaultExt = "." + lSelectedAttr.Value.ToLower();

            lsaveFileDialog.AddExtension = true;

            lsaveFileDialog.CheckFileExists = false;

            lsaveFileDialog.Filter = "Media file (*." + lSelectedAttr.Value.ToLower() + ")|*." + lSelectedAttr.Value.ToLower();

            var lresult = lsaveFileDialog.ShowDialog();

            if (lresult != true)
            {
                return;
            }

            var lFilename = lsaveFileDialog.FileName;

            lSelectedAttr = lselectedNode.Attributes["GUID"];

            if (lSelectedAttr == null)
            {
                return;
            }

            mFileSinkFactory = await mSinkControl.createFileSinkFactoryAsync(
                Guid.Parse(lSelectedAttr.Value));



            // Video Source
            uint lVideoSourceIndexStream = 0;

            uint lVideoSourceIndexMediaType = 0;

            int l_VideoCompressedMediaTypeSelectedIndex = 0;



            string l_EncodersXMLstring = await mEncoderControl.getCollectionOfEncodersAsync();


            XmlDocument doc = new XmlDocument();

            doc.LoadXml(l_EncodersXMLstring);

            var lAttrNode = doc.SelectSingleNode("EncoderFactories/Group[@GUID='{73646976-0000-0010-8000-00AA00389B71}']/EncoderFactory[1]/@CLSID");

            if (lAttrNode == null)
            {
                return;
            }

            Guid l_VideoEncoder = Guid.Empty;

            Guid.TryParse(lAttrNode.Value, out l_VideoEncoder);



            List <object> lCompressedMediaTypeList = new List <object>();

            if (true)
            {
                object lCompressedMediaType = await getCompressedMediaType(
                    l_image_source,
                    lVideoSourceIndexStream,
                    lVideoSourceIndexMediaType,
                    l_VideoEncoder,
                    m_VideoEncoderMode,
                    l_VideoCompressedMediaTypeSelectedIndex);

                if (lCompressedMediaType != null)
                {
                    lCompressedMediaTypeList.Add(lCompressedMediaType);
                }
            }

            List <object> lOutputNodes = await getOutputNodes(lCompressedMediaTypeList, lFilename);

            if (lOutputNodes == null || lOutputNodes.Count == 0)
            {
                return;
            }

            var lSinkFactory = await mSinkControl.createEVRSinkFactoryAsync(
                Guid.Empty);

            object lEVROutputNode = await lSinkFactory.createOutputNodeAsync(
                mVideoPanel.Handle);

            if (lEVROutputNode == null)
            {
                return;
            }


            object SpreaderNode = lEVROutputNode;

            if (true)
            {
                var lEncoderNode = await getEncoderNode(
                    l_image_source,
                    lVideoSourceIndexStream,
                    lVideoSourceIndexMediaType,
                    l_VideoEncoder,
                    m_VideoEncoderMode,
                    l_VideoCompressedMediaTypeSelectedIndex,
                    lOutputNodes[0]);

                List <object> lOutputNodeList = new List <object>();

                lOutputNodeList.Add(lEncoderNode);

                lOutputNodeList.Add(lEVROutputNode);

                SpreaderNode = await mSpreaderNodeFactory.createSpreaderNodeAsync(
                    lOutputNodeList);
            }

            List <object> lSourceNodes = new List <object>();

            object lSourceNode = await mSourceControl.createSourceNodeFromExternalSourceWithDownStreamConnectionAsync(
                l_image_source,
                lVideoSourceIndexStream,
                lVideoSourceIndexMediaType,
                SpreaderNode);

            if (lSourceNode == null)
            {
                return;
            }

            lSourceNodes.Add(lSourceNode);

            mISession = await mISessionControl.createSessionAsync(lSourceNodes.ToArray());

            if (mISession != null && await mISession.startSessionAsync(0, Guid.Empty))
            {
                mStartStopTxtBlk.Text = "Stop";
            }
        }
        private async void Window_Loaded(object sender, RoutedEventArgs e)
        {
            try
            {
                mCaptureManager = new CaptureManager("CaptureManager.dll");
            }
            catch (System.Exception)
            {
                try
                {
                    mCaptureManager = new CaptureManager();
                }
                catch (System.Exception)
                {
                }
            }

            LogManager.getInstance().WriteDelegateEvent += MainWindow_WriteDelegateEvent;

            if (mCaptureManager == null)
            {
                return;
            }

            mSourceControl = await mCaptureManager.createSourceControlAsync();

            if (mSourceControl == null)
            {
                return;
            }

            mEncoderControl = await mCaptureManager.createEncoderControlAsync();

            if (mEncoderControl == null)
            {
                return;
            }

            mSinkControl = await mCaptureManager.createSinkControlAsync();

            if (mSinkControl == null)
            {
                return;
            }

            mISessionControl = await mCaptureManager.createSessionControlAsync();

            if (mISessionControl == null)
            {
                return;
            }

            mStreamControl = await mCaptureManager.createStreamControlAsync();

            if (mStreamControl == null)
            {
                return;
            }

            mSpreaderNodeFactory = await mStreamControl.createSpreaderNodeFactoryAsync();

            if (mSpreaderNodeFactory == null)
            {
                return;
            }

            mEVRMultiSinkFactory = await mSinkControl.createEVRSinkFactoryAsync(Guid.Empty);

            if (mEVRMultiSinkFactory == null)
            {
                return;
            }


            XmlDataProvider lXmlDataProvider = (XmlDataProvider)this.Resources["XmlSources"];

            if (lXmlDataProvider == null)
            {
                return;
            }

            XmlDocument doc = new XmlDocument();

            string lxmldoc = await mCaptureManager.getCollectionOfSourcesAsync();

            doc.LoadXml(lxmldoc);

            lXmlDataProvider.Document = doc;

            lXmlDataProvider = (XmlDataProvider)this.Resources["XmlEncoders"];

            if (lXmlDataProvider == null)
            {
                return;
            }

            doc = new XmlDocument();

            lxmldoc = await mCaptureManager.getCollectionOfEncodersAsync();

            doc.LoadXml(lxmldoc);

            lXmlDataProvider.Document = doc;



            lxmldoc = await mCaptureManager.getCollectionOfSinksAsync();


            lXmlDataProvider = (XmlDataProvider)this.Resources["XmlContainerTypeProvider"];

            if (lXmlDataProvider == null)
            {
                return;
            }

            doc = new XmlDocument();

            doc.LoadXml(lxmldoc);

            lXmlDataProvider.Document = doc;


            ProcessPriorityClass lpriority = Process.GetCurrentProcess().PriorityClass;

            Process.GetCurrentProcess().PriorityClass = ProcessPriorityClass.RealTime;
        }