using System;
using System.Drawing;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace NetComExampleStreams
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class NetComExampleStreamsForm : System.Windows.Forms.Form
	{
		#region UI Members
		internal System.Windows.Forms.Label lblServerName;
		internal System.Windows.Forms.GroupBox grpStreamProps;
		internal System.Windows.Forms.Button btnCloseStream;
		internal System.Windows.Forms.Button btnOpenStream;
		internal System.Windows.Forms.Button btnObjectRefresh;
		internal System.Windows.Forms.Label lblObjectCountNum;
		internal System.Windows.Forms.Label lblObjectCount;
		internal System.Windows.Forms.Label lblObjectTypeString;
		internal System.Windows.Forms.Label lblObjectType;
		internal System.Windows.Forms.ComboBox cmbCheetahObjects;
		internal System.Windows.Forms.Label lblCheetahObjects;
		internal System.Windows.Forms.Label lblServerNameComment;
		internal System.Windows.Forms.TextBox txtServerName;
		internal System.Windows.Forms.Button btnDisconnect;
		internal System.Windows.Forms.Button btnConnect;
		internal System.Windows.Forms.GroupBox grpRecordLog;
		internal System.Windows.Forms.ListBox lbRecordLog;
		#endregion

		#region Private Members
		//netcom client
		private MNetCom.MNetComClient mNetComClient;
		
		//callback delegates
		private MNetCom.MNC_SECallback mNetcomSECallback;
		private MNetCom.MNC_STCallback mNetcomSTCallback;
		private MNetCom.MNC_TTCallback mNetcomTTCallback;
		private MNetCom.MNC_CSCCallback mNetcomCSCCallback;
		private MNetCom.MNC_EVCallback mNetcomEVCallback;
		private MNetCom.MNC_VTCallback mNetcomVTCallback; 
		
		//Needed for proper UI updating in a multi-threaded application
		private delegate void AsyncRecordLogUpdate(String updateText);

		//cheetah object list holders
		private List<String> mCheetahObjectList;
		private List<String> mCheetahTypesList;
		#endregion

		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		#region Constructor
		public NetComExampleStreamsForm()
		{
			//initialize class vars
			this.mNetComClient = new MNetCom.MNetComClient();

			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
			//extra UI setup
			this.btnDisconnect.Enabled = false;
			this.grpRecordLog.Enabled = false;
			this.grpStreamProps.Enabled = false;

			//Set the logfile name
			if (! ( this.mNetComClient.SetLogFileName(Application.StartupPath.ToString() + "\\NetComExampleStreamsLogfile.txt") ) )
			{
				MessageBox.Show(this, "Call to set the logfile name failed", "NetCom Error", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
			}

			//register the callback functions
			this.mNetcomSECallback = new MNetCom.MNC_SECallback(NetComCallbackSE);
			this.mNetComClient.SetCallbackFunctionSE(this.mNetcomSECallback, this);
			this.mNetcomSTCallback = new MNetCom.MNC_STCallback(NetComCallbackST);
			this.mNetComClient.SetCallbackFunctionST(this.mNetcomSTCallback, this);
			this.mNetcomTTCallback = new MNetCom.MNC_TTCallback( NetComCallbackTT);
			this.mNetComClient.SetCallbackFunctionTT(this.mNetcomTTCallback, this);
			this.mNetcomCSCCallback = new MNetCom.MNC_CSCCallback( NetComCallbackCSC);
			this.mNetComClient.SetCallbackFunctionCSC(this.mNetcomCSCCallback, this);
			this.mNetcomEVCallback = new MNetCom.MNC_EVCallback( NetComCallbackEV);
			this.mNetComClient.SetCallbackFunctionEV(this.mNetcomEVCallback, this);
			this.mNetcomVTCallback = new MNetCom.MNC_VTCallback( NetComCallbackVT);
			this.mNetComClient.SetCallbackFunctionVT(this.mNetcomVTCallback, this);
		}

		#endregion

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.lblServerName = new System.Windows.Forms.Label();
			this.grpStreamProps = new System.Windows.Forms.GroupBox();
			this.btnCloseStream = new System.Windows.Forms.Button();
			this.btnOpenStream = new System.Windows.Forms.Button();
			this.btnObjectRefresh = new System.Windows.Forms.Button();
			this.lblObjectCountNum = new System.Windows.Forms.Label();
			this.lblObjectCount = new System.Windows.Forms.Label();
			this.lblObjectTypeString = new System.Windows.Forms.Label();
			this.lblObjectType = new System.Windows.Forms.Label();
			this.cmbCheetahObjects = new System.Windows.Forms.ComboBox();
			this.lblCheetahObjects = new System.Windows.Forms.Label();
			this.lblServerNameComment = new System.Windows.Forms.Label();
			this.txtServerName = new System.Windows.Forms.TextBox();
			this.btnDisconnect = new System.Windows.Forms.Button();
			this.btnConnect = new System.Windows.Forms.Button();
			this.grpRecordLog = new System.Windows.Forms.GroupBox();
			this.lbRecordLog = new System.Windows.Forms.ListBox();
			this.grpStreamProps.SuspendLayout();
			this.grpRecordLog.SuspendLayout();
			this.SuspendLayout();
			// 
			// lblServerName
			// 
			this.lblServerName.Location = new System.Drawing.Point(16, 8);
			this.lblServerName.Name = "lblServerName";
			this.lblServerName.Size = new System.Drawing.Size(72, 16);
			this.lblServerName.TabIndex = 24;
			this.lblServerName.Text = "Server Name";
			// 
			// grpStreamProps
			// 
			this.grpStreamProps.Controls.Add(this.btnCloseStream);
			this.grpStreamProps.Controls.Add(this.btnOpenStream);
			this.grpStreamProps.Controls.Add(this.btnObjectRefresh);
			this.grpStreamProps.Controls.Add(this.lblObjectCountNum);
			this.grpStreamProps.Controls.Add(this.lblObjectCount);
			this.grpStreamProps.Controls.Add(this.lblObjectTypeString);
			this.grpStreamProps.Controls.Add(this.lblObjectType);
			this.grpStreamProps.Controls.Add(this.cmbCheetahObjects);
			this.grpStreamProps.Controls.Add(this.lblCheetahObjects);
			this.grpStreamProps.Location = new System.Drawing.Point(16, 64);
			this.grpStreamProps.Name = "grpStreamProps";
			this.grpStreamProps.Size = new System.Drawing.Size(520, 88);
			this.grpStreamProps.TabIndex = 29;
			this.grpStreamProps.TabStop = false;
			this.grpStreamProps.Text = "Stream Properties";
			// 
			// btnCloseStream
			// 
			this.btnCloseStream.Location = new System.Drawing.Point(192, 56);
			this.btnCloseStream.Name = "btnCloseStream";
			this.btnCloseStream.Size = new System.Drawing.Size(88, 23);
			this.btnCloseStream.TabIndex = 8;
			this.btnCloseStream.Text = "Close Stream";
			this.btnCloseStream.Click += new System.EventHandler(this.btnCloseStream_Click);
			// 
			// btnOpenStream
			// 
			this.btnOpenStream.Location = new System.Drawing.Point(104, 56);
			this.btnOpenStream.Name = "btnOpenStream";
			this.btnOpenStream.Size = new System.Drawing.Size(80, 23);
			this.btnOpenStream.TabIndex = 7;
			this.btnOpenStream.Text = "Open Stream";
			this.btnOpenStream.Click += new System.EventHandler(this.btnOpenStream_Click);
			// 
			// btnObjectRefresh
			// 
			this.btnObjectRefresh.Location = new System.Drawing.Point(16, 56);
			this.btnObjectRefresh.Name = "btnObjectRefresh";
			this.btnObjectRefresh.Size = new System.Drawing.Size(80, 23);
			this.btnObjectRefresh.TabIndex = 6;
			this.btnObjectRefresh.Text = "Refresh List";
			this.btnObjectRefresh.Click += new System.EventHandler(this.btnObjectRefresh_Click);
			// 
			// lblObjectCountNum
			// 
			this.lblObjectCountNum.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
			this.lblObjectCountNum.Location = new System.Drawing.Point(472, 29);
			this.lblObjectCountNum.Name = "lblObjectCountNum";
			this.lblObjectCountNum.Size = new System.Drawing.Size(32, 23);
			this.lblObjectCountNum.TabIndex = 5;
			// 
			// lblObjectCount
			// 
			this.lblObjectCount.Location = new System.Drawing.Point(400, 32);
			this.lblObjectCount.Name = "lblObjectCount";
			this.lblObjectCount.Size = new System.Drawing.Size(72, 16);
			this.lblObjectCount.TabIndex = 4;
			this.lblObjectCount.Text = "Object Count";
			// 
			// lblObjectTypeString
			// 
			this.lblObjectTypeString.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
			this.lblObjectTypeString.Location = new System.Drawing.Point(296, 29);
			this.lblObjectTypeString.Name = "lblObjectTypeString";
			this.lblObjectTypeString.Size = new System.Drawing.Size(88, 23);
			this.lblObjectTypeString.TabIndex = 3;
			// 
			// lblObjectType
			// 
			this.lblObjectType.Location = new System.Drawing.Point(224, 32);
			this.lblObjectType.Name = "lblObjectType";
			this.lblObjectType.Size = new System.Drawing.Size(72, 16);
			this.lblObjectType.TabIndex = 2;
			this.lblObjectType.Text = "Object Type";
			// 
			// cmbCheetahObjects
			// 
			this.cmbCheetahObjects.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
			this.cmbCheetahObjects.Location = new System.Drawing.Point(104, 30);
			this.cmbCheetahObjects.Name = "cmbCheetahObjects";
			this.cmbCheetahObjects.Size = new System.Drawing.Size(112, 21);
			this.cmbCheetahObjects.TabIndex = 1;
			this.cmbCheetahObjects.SelectedIndexChanged += new System.EventHandler(this.cmbCheetahObjects_SelectedIndexChanged);
			// 
			// lblCheetahObjects
			// 
			this.lblCheetahObjects.Location = new System.Drawing.Point(16, 32);
			this.lblCheetahObjects.Name = "lblCheetahObjects";
			this.lblCheetahObjects.Size = new System.Drawing.Size(88, 16);
			this.lblCheetahObjects.TabIndex = 0;
			this.lblCheetahObjects.Text = "Cheetah Objects";
			// 
			// lblServerNameComment
			// 
			this.lblServerNameComment.Location = new System.Drawing.Point(136, 32);
			this.lblServerNameComment.Name = "lblServerNameComment";
			this.lblServerNameComment.Size = new System.Drawing.Size(208, 16);
			this.lblServerNameComment.TabIndex = 28;
			this.lblServerNameComment.Text = "(User may enter pc name or IP address)";
			// 
			// txtServerName
			// 
			this.txtServerName.Location = new System.Drawing.Point(96, 8);
			this.txtServerName.Name = "txtServerName";
			this.txtServerName.Size = new System.Drawing.Size(280, 20);
			this.txtServerName.TabIndex = 27;
			this.txtServerName.Text = "";
			// 
			// btnDisconnect
			// 
			this.btnDisconnect.Location = new System.Drawing.Point(464, 8);
			this.btnDisconnect.Name = "btnDisconnect";
			this.btnDisconnect.TabIndex = 26;
			this.btnDisconnect.Text = "Disconnect";
			this.btnDisconnect.Click += new System.EventHandler(this.btnDisconnect_Click);
			// 
			// btnConnect
			// 
			this.btnConnect.Location = new System.Drawing.Point(384, 8);
			this.btnConnect.Name = "btnConnect";
			this.btnConnect.TabIndex = 25;
			this.btnConnect.Text = "Connect";
			this.btnConnect.Click += new System.EventHandler(this.btnConnect_Click);
			// 
			// grpRecordLog
			// 
			this.grpRecordLog.Controls.Add(this.lbRecordLog);
			this.grpRecordLog.Location = new System.Drawing.Point(16, 168);
			this.grpRecordLog.Name = "grpRecordLog";
			this.grpRecordLog.Size = new System.Drawing.Size(520, 240);
			this.grpRecordLog.TabIndex = 30;
			this.grpRecordLog.TabStop = false;
			this.grpRecordLog.Text = "Record Log";
			// 
			// lbRecordLog
			// 
			this.lbRecordLog.Location = new System.Drawing.Point(8, 16);
			this.lbRecordLog.Name = "lbRecordLog";
			this.lbRecordLog.Size = new System.Drawing.Size(504, 212);
			this.lbRecordLog.TabIndex = 0;
			// 
			// NetComExampleStreamsForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(552, 422);
			this.Controls.Add(this.lblServerName);
			this.Controls.Add(this.grpStreamProps);
			this.Controls.Add(this.lblServerNameComment);
			this.Controls.Add(this.txtServerName);
			this.Controls.Add(this.btnDisconnect);
			this.Controls.Add(this.btnConnect);
			this.Controls.Add(this.grpRecordLog);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
			this.Name = "NetComExampleStreamsForm";
			this.Text = "NetCom Example - Streams";
			this.grpStreamProps.ResumeLayout(false);
			this.grpRecordLog.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new NetComExampleStreamsForm());
		}

		#region Async UI Update

		//********************************************************************************************************************
		private void RecordLogUpdate(String updateText) 
		{
			this.lbRecordLog.Items.Add(updateText);
			this.lbRecordLog.SelectedItem = updateText;
		}

#endregion

		#region UI Event Handlers

		//**************************************************************
		//**************************************************************
		private void btnConnect_Click(object sender, System.EventArgs e)
		{
			if (!( this.mNetComClient.AreWeConnected()))
			{
				if (this.mNetComClient.ConnectToServer(this.txtServerName.Text))
				{
					this.mNetComClient.SetApplicationName("NetCom Streams Example");

					//change ui to show connected status
					this.txtServerName.Enabled = false;
					this.btnConnect.Enabled = false;
					this.btnDisconnect.Enabled = true;
					this.grpRecordLog.Enabled = true;
					this.grpStreamProps.Enabled = true;

					//reset the array lists
					this.mCheetahObjectList = new List<String>();
					this.mCheetahTypesList = new List<String>();

					if (this.mNetComClient.GetDASObjectsAndTypes(ref this.mCheetahObjectList, ref this.mCheetahTypesList) )
					{
						//load all object names into the combo box
						foreach (string objectName in this.mCheetahObjectList)
						{
							this.cmbCheetahObjects.Items.Add(objectName);
						}
                  

						//select the first object in the combo box, and update the ui
						if( this.mCheetahObjectList.Count > 0)
						{
							this.cmbCheetahObjects.SelectedIndex = 0;
								this.lblObjectTypeString.Text = (string)this.mCheetahTypesList[0];
							this.lblObjectCountNum.Text = this.mCheetahObjectList.Count.ToString();
						}
						else
						{

							MessageBox.Show(this, "Retrieval of Cheetah objects and types failed.  List must be refreshed.", "NetCom Error", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
							}
					}
					else
					{
						MessageBox.Show(this, "Connection to server failed", "NetCom Error", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
					}
				}
		
			}
		}

		//**************************************************************
		//**************************************************************
		private void btnDisconnect_Click(object sender, System.EventArgs e)
		{
			if (this.mNetComClient.AreWeConnected())
			{
				if ( this.mNetComClient.DisconnectFromServer() )
				{
					//change ui to show disconnected status
					this.txtServerName.Enabled = true;
					this.btnConnect.Enabled = true;
					this.btnDisconnect.Enabled = false;
					this.cmbCheetahObjects.Items.Clear();
					this.lbRecordLog.Items.Clear();
					this.lblObjectCountNum.Text = "";
					this.lblObjectTypeString.Text = "";
					this.grpRecordLog.Enabled = false;
					this.grpStreamProps.Enabled = false;
				}
				else
				{
					MessageBox.Show(this, "Disconnection from server failed", "NetCom Error", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
				}
			}
		}

		//**************************************************************
		//**************************************************************
		private void btnObjectRefresh_Click(object sender, System.EventArgs e)
		{
			//reset the cheetah lists
			this.cmbCheetahObjects.Items.Clear();
			this.mCheetahObjectList = new List<string>();
			this.mCheetahTypesList = new List<string>();

			if (this.mNetComClient.GetDASObjectsAndTypes(ref this.mCheetahObjectList, ref this.mCheetahTypesList) )
			{
				//load all object names into the combo box
				foreach (string objectName in this.mCheetahObjectList)
				{
					this.cmbCheetahObjects.Items.Add(objectName);
				}
                  

				//select the first object in the combo box, and update the ui
				if( this.mCheetahObjectList.Count > 0)
				{
					this.cmbCheetahObjects.SelectedIndex = 0;
					this.lblObjectTypeString.Text = (string)this.mCheetahTypesList[0];
					this.lblObjectCountNum.Text = this.mCheetahObjectList.Count.ToString();
				}
				else
				{

					MessageBox.Show(this, "Retrieval of Cheetah objects and types failed.  List must be refreshed.", "NetCom Error", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
				}
			}
		
		}

		//**************************************************************
		//**************************************************************
		private void btnOpenStream_Click(object sender, System.EventArgs e)
		{
			int curIndex = this.cmbCheetahObjects.SelectedIndex;
			//ensure something is selected to open
			if ( curIndex == -1)
			{
				MessageBox.Show(this, "No object selected for stream open", "NetCom Error", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
					return;
			}

			//get the strings from the object list
			string curCheetahObject = (string)this.mCheetahObjectList[curIndex];

			if (! (mNetComClient.OpenStream(curCheetahObject)) )
			{
				MessageBox.Show(this, "Could not open stream for ObjectName: " + curCheetahObject, "NetCom Error", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
			}
		}

		//**************************************************************
		//**************************************************************
		private void btnCloseStream_Click(object sender, System.EventArgs e)
		{
			int curIndex = this.cmbCheetahObjects.SelectedIndex;
			//ensure something is selected to close
			if ( curIndex == -1)
			{
				MessageBox.Show(this, "No object selected for stream close", "NetCom Error", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
					return;
			}

			//get the strings from the object list
			string curCheetahObject = (string)this.mCheetahObjectList[curIndex];

			if (! (mNetComClient.CloseStream(curCheetahObject)) )
			{
				MessageBox.Show(this, "Could not close stream for ObjectName: " + curCheetahObject, "NetCom Error", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
			}
		
		}

		//********************************************************************************************************************
		//********************************************************************************************************************
		private void cmbCheetahObjects_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			int curIndex = this.cmbCheetahObjects.SelectedIndex;
			if (curIndex == -1)
			{
				return;
			}
			else
			{
				this.lblObjectTypeString.Text = (string)this.mCheetahTypesList[curIndex];
			}
		}
		#endregion

		#region NetCom Callback Functions
		//********************************************************************************************************************
		//********************************************************************************************************************
		void NetComCallbackSE(Object sender, MNetCom.MSERec records, int numRecords, string objectName)
		{

            //since we passed the this pointer to the callback object, we can assume thet sender
            //is of type NetComExampleStreamsForm.  
            NetComExampleStreamsForm thisClass = (NetComExampleStreamsForm)sender;

            //add the object name to the textbox
            string msgString;
            msgString = "Received SE Record For: " + objectName + " at Cheetah TS " + records.qwTimeStamp.ToString();

            // Update UI on the UI thread using delegate.
			AsyncRecordLogUpdate RecordLogUpdateDelegate = new AsyncRecordLogUpdate(RecordLogUpdate);
			this.lbRecordLog.BeginInvoke(RecordLogUpdateDelegate, new Object[] {msgString});
		}

		//********************************************************************************************************************
		//********************************************************************************************************************
		void NetComCallbackST(Object sender, MNetCom.MSTRec records, int numRecords, string objectName)
		{

			//since we passed the this pointer to the callback object, we can assume thet sender
			//is of type NetComExampleStreamsForm.  
			NetComExampleStreamsForm thisClass = (NetComExampleStreamsForm) sender;

			//add the object name to the textbox
			string msgString;
			msgString = "Received ST Record For: " + objectName + " at Cheetah TS " + records.qwTimeStamp.ToString();

			// Update UI on the UI thread using delegate.
			AsyncRecordLogUpdate RecordLogUpdateDelegate = new AsyncRecordLogUpdate(RecordLogUpdate);
			this.lbRecordLog.BeginInvoke(RecordLogUpdateDelegate, new Object[] {msgString});

		}

		//********************************************************************************************************************
		//********************************************************************************************************************
		void NetComCallbackTT(Object sender, MNetCom.MTTRec records, int numRecords, string objectName)
		{

			//since we passed the this pointer to the callback object, we can assume thet sender
			//is of type NetComExampleStreamsForm.  
			NetComExampleStreamsForm thisClass = (NetComExampleStreamsForm) sender;

			//add the object name to the textbox
			string msgString;
			msgString = "Received TT Record For: " + objectName + " at Cheetah TS " + records.qwTimeStamp.ToString();

			// Update UI on the UI thread using delegate.
			AsyncRecordLogUpdate RecordLogUpdateDelegate = new AsyncRecordLogUpdate(RecordLogUpdate);
			this.lbRecordLog.BeginInvoke(RecordLogUpdateDelegate, new Object[] {msgString});		

		}

		//********************************************************************************************************************
		//********************************************************************************************************************
		void NetComCallbackCSC(Object sender, MNetCom.MCRRec records, int numRecords, string objectName)
		{

			//since we passed the this pointer to the callback object, we can assume thet sender
			//is of type NetComExampleStreamsForm.  
			NetComExampleStreamsForm thisClass = (NetComExampleStreamsForm) sender;

			//add the object name to the textbox
			string msgString;
			msgString = "Received CSC Record For: " + objectName + " at Cheetah TS " + records.qwTimeStamp.ToString();

			// Update UI on the UI thread using delegate.
			AsyncRecordLogUpdate RecordLogUpdateDelegate = new AsyncRecordLogUpdate(RecordLogUpdate);
			this.lbRecordLog.BeginInvoke(RecordLogUpdateDelegate, new Object[] {msgString});	

		}

		//********************************************************************************************************************
		//********************************************************************************************************************
		void NetComCallbackEV(Object sender, MNetCom.MEventRec records, int numRecords, string objectName)
		{

			//since we passed the this pointer to the callback object, we can assume thet sender
			//is of type NetComExampleStreamsForm.  
			NetComExampleStreamsForm thisClass = (NetComExampleStreamsForm) sender;

			//add the object name to the textbox
			string msgString;
			msgString = "Received Event Record For: " + objectName + " at Cheetah TS " + records.qwTimeStamp.ToString() + " with string: " + records.EventString;

			// Update UI on the UI thread using delegate.
			AsyncRecordLogUpdate RecordLogUpdateDelegate = new AsyncRecordLogUpdate(RecordLogUpdate);
			this.lbRecordLog.BeginInvoke(RecordLogUpdateDelegate, new Object[] {msgString});
		}

		//********************************************************************************************************************
		//********************************************************************************************************************
		void NetComCallbackVT(Object sender, MNetCom.MVideoRec records, int numRecords, string objectName)
		{

			//since we passed the this pointer to the callback object, we can assume thet sender
			//is of type NetComExampleStreamsForm.  
			NetComExampleStreamsForm thisClass = (NetComExampleStreamsForm) sender;

			//add the object name to the textbox
			string msgString;
			msgString = "Received Video Record For: " + objectName + " at Cheetah TS " + records.qwTimeStamp.ToString();

			// Update UI on the UI thread using delegate.
			AsyncRecordLogUpdate RecordLogUpdateDelegate = new AsyncRecordLogUpdate(RecordLogUpdate);
			this.lbRecordLog.BeginInvoke(RecordLogUpdateDelegate, new Object[] {msgString});

		}
		#endregion

		
	}
}