public void FindDeviceAsync(string SearchTarget)
{
HTTPMessage packet = new HTTPMessage();
packet.Directive = "M-SEARCH";
packet.DirectiveObj = "*";
packet.AddTag("ST", SearchTarget);
packet.AddTag("MX", MX.ToString());
packet.AddTag("MAN", "\"ssdp:discover\"");
packet.AddTag("HOST", "239.255.255.250:1900");
IPAddress[] localAddresses = this.NetInfo.GetLocalAddresses();
IPEndPoint dest = new IPEndPoint(IPAddress.Parse("239.255.255.250"), 0x76c);
for (int i = 0; i < localAddresses.Length; i++)
{
try
{
Socket theSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
theSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, 1);
theSocket.Bind(new IPEndPoint(localAddresses[i], 0));
SSDPSession session = new SSDPSession(theSocket, new SSDPSession.ReceiveHandler(this.HandleAsyncSearch));
this.SSDPSessions[session] = session;
session.SendTo(packet, dest);
session.SendTo(packet, dest);
this.Lifetime.Add(session, 7);
}
catch (Exception exception)
{
EventLogger.Log(this, EventLogEntryType.Error, "CP Failure: " + localAddresses[i].ToString());
EventLogger.Log(exception);
}
}
}
private void HandleAsyncSearch(SSDPSession sender, HTTPMessage msg)
{
DText text = new DText();
string tag = msg.GetTag("Location");
int maxAge = 0;
string str2 = msg.GetTag("Cache-Control").Trim();
if (str2 != "")
{
text.ATTRMARK = ",";
text.MULTMARK = "=";
text[0] = str2;
for (int i = 1; i <= text.DCOUNT(); i++)
{
if (text[i, 1].Trim().ToUpper() == "MAX-AGE")
{
maxAge = int.Parse(text[i, 2].Trim());
break;
}
}
}
str2 = msg.GetTag("USN");
string uSN = str2.Substring(str2.IndexOf(":") + 1);
string searchTarget = msg.GetTag("ST");
if (uSN.IndexOf("::") != -1)
{
uSN = uSN.Substring(0, uSN.IndexOf("::"));
}
EventLogger.Log(this, EventLogEntryType.SuccessAudit, msg.RemoteEndPoint.ToString());
if (this.OnSearch != null)
{
this.OnSearch(msg.RemoteEndPoint, msg.LocalEndPoint, new Uri(tag), uSN, searchTarget, maxAge);
}
}
private void NonPipelinedSniffPacketSink(HTTPRequest sender, HTTPMessage Response, object Tag)
{
if (this.OnSniffPacket != null)
{
this.OnSniffPacket(this, Response, Tag);
}
}
public void BroadcastData(HTTPMessage Packet)
{
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
socket.Bind(new IPEndPoint(this.boundto.Address, 0));
try
{
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastTimeToLive, 4);
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastLoopback, 1);
}
catch (Exception)
{
}
string str = ((IPEndPoint)socket.LocalEndPoint).Address.ToString() + ":" + ((IPEndPoint)socket.LocalEndPoint).Port.ToString();
IPEndPoint remoteEP = new IPEndPoint(IPAddress.Parse("239.255.255.250"), 0x76c);
byte[] rawPacket = Packet.RawPacket;
MulticastOption optionValue = new MulticastOption(remoteEP.Address);
try
{
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, optionValue);
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastInterface, (int)this.boundto.Address.Address);
}
catch (Exception)
{
return;
}
socket.SendTo(rawPacket, rawPacket.Length, SocketFlags.None, remoteEP);
socket.SendTo(rawPacket, rawPacket.Length, SocketFlags.None, remoteEP);
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.DropMembership, optionValue);
socket.Close();
}
private void ReceiveSink(HTTPSession sender, HTTPMessage msg)
{
StateData stateObject = (StateData)sender.StateObject;
object tag = stateObject.Tag;
if ((msg.Version == "1.0") || (msg.Version == "0.9"))
{
sender.Close();
}
else if (msg.GetTag("Connection").ToUpper() == "CLOSE")
{
sender.Close();
}
if (this.OnResponse != null)
{
this.OnResponse(this, msg, tag);
}
sender.StateObject = null;
lock (this.TagQueue)
{
if (this.TagQueue.Count == 0)
{
this.IdleTimeout = true;
KeepAliveTimer.Add(this.GetHashCode(), 10);
}
}
}
public StateData(HTTPMessage req, IPEndPoint d, object Tag, HTTPRequest.HeaderHandler HeaderCB)
{
this.Dest = d;
this.Request = req;
this.Tag = Tag;
this.HeaderCB = HeaderCB;
}
private void ValidateSearchPacket(HTTPMessage msg)
{
if (msg.GetTag("MAN") != "\"ssdp:discover\"")
{
throw new InvalidSearchPacketException("Invalid MAN");
}
if (msg.DirectiveObj != "*")
{
throw new InvalidSearchPacketException("Expected * in RequestLine");
}
if (double.Parse(msg.Version, new CultureInfo("en-US").NumberFormat) < 1.1)
{
throw new InvalidSearchPacketException("Version must be at least 1.1");
}
int num = 0;
string tag = msg.GetTag("MX");
if (tag == "")
{
throw new InvalidSearchPacketException("Missing MX");
}
try
{
num = int.Parse(tag);
}
catch (Exception)
{
throw new InvalidSearchPacketException("MX must be an integer");
}
if (num <= 0)
{
throw new InvalidSearchPacketException("MX must be a positive integer");
}
}
private void RequestAnsweredSink(HTTPSession ss)
{
lock (this.TagQueue)
{
if (!this.ReceivedFirstResponse)
{
this.ReceivedFirstResponse = true;
foreach (StateData data in this.TagQueue)
{
try
{
if (this.ProxySetting == null)
{
ss.Send(data.Request);
}
else
{
HTTPMessage packet = (HTTPMessage)data.Request.Clone();
packet.DirectiveObj = "http://" + data.Dest.ToString() + packet.DirectiveObj;
packet.Version = "1.0";
ss.Send(packet);
}
continue;
}
catch (Exception)
{
continue;
}
}
}
}
}
private void SniffPacketSink(HTTPMessage Packet)
{
if (this.OnSniffPacket != null)
{
this.OnSniffPacket(Packet);
}
}
private void HeaderSink(HTTPSession sender, HTTPMessage header, Stream TheStream)
{
this._Source = sender.Source;
StateData stateObject = null;
if (TheStream != null)
{
stateObject = (StateData)sender.StateObject;
object tag = stateObject.Tag;
if (stateObject.HeaderCB != null)
{
stateObject.HeaderCB(this, sender, header, TheStream, tag);
}
sender.StateObject = null;
KeepAliveTimer.Add(this.GetHashCode(), 10);
}
else
{
lock (this.TagQueue)
{
stateObject = (StateData)this.TagQueue.Dequeue();
}
sender.StateObject = stateObject;
object obj3 = stateObject.Tag;
if (stateObject.HeaderCB != null)
{
stateObject.HeaderCB(this, sender, header, TheStream, obj3);
if ((sender.UserStream != null) && !sender.IsChunked)
{
sender.StateObject = null;
}
}
}
}
protected void SniffPacketSink(UPnPService sender, HTTPMessage MSG)
{
if (this.OnSniffPacket != null)
{
this.OnSniffPacket(this, MSG);
}
}
public void UnicastData(HTTPMessage msg, IPEndPoint dest)
{
if (this.OnSniffPacket != null)
{
this.OnSniffPacket(null, dest, msg);
}
byte[] rawPacket = msg.RawPacket;
this.UnicastSendSocket.SendTo(rawPacket, rawPacket.Length, SocketFlags.None, dest);
}
private void NonPipelinedResponseSink(HTTPRequest sender, HTTPMessage Response, object Tag)
{
this._Source = sender.Source;
this.NotPipelinedTable.Remove(sender);
sender.Dispose();
if (this.OnResponse != null)
{
this.OnResponse(this, Response, Tag);
}
}
private void HandleService(HTTPRequest sender, HTTPMessage msg, object Tag)
{
bool flag = false;
if (msg == null)
{
EventLogger.Log(this, EventLogEntryType.Error, "Could not connect to device to fetch SCPD: " + ((UPnPService)Tag).SCPDURL);
sender.Dispose();
this.TempDevice = null;
this.OnFailed(this, new Uri(this.DUrl), new Exception("HTTP Connection Refused/Failed"));
}
else
{
bool flag2 = false;
lock (this.CBLock)
{
if (msg.StatusCode == 200)
{
try
{
((UPnPService)Tag).ParseSCPD(msg.StringBuffer);
}
catch (Exception exception)
{
EventLogger.Log(this, EventLogEntryType.Error, "Invalid SCPD XML on device:\r\n Friendly: " + this.TempDevice.FriendlyName + "\r\n Service: " + ((UPnPService)Tag).ServiceURN + "\r\n @" + this.TempDevice.LocationURL);
EventLogger.Log(exception);
return;
}
this.ServiceNum--;
if ((this.ServiceNum == 0) && (this.OnDevice != null))
{
flag2 = true;
}
}
else
{
EventLogger.Log(this, EventLogEntryType.Error, "Device returned Error Code: " + msg.StatusCode.ToString() + " while fetching SCPD: " + ((UPnPService)Tag).SCPDURL);
sender.Dispose();
flag = true;
}
}
if (flag2)
{
this.TempDevice.descXmlLocation = new Uri(this.DUrl);
this.OnDevice(this, this.TempDevice, new Uri(this.DUrl));
this.TempDevice = null;
}
if (flag && (this.OnFailed != null))
{
this.TempDevice = null;
this.OnFailed(this, new Uri(this.DUrl), new Exception("HTTP[" + msg.StatusCode.ToString() + "] Error"));
}
}
}
private void HandleRequest(HTTPRequest sender, HTTPMessage msg, object Tag)
{
if (Tag != null)
{
this.HandleService(sender, msg, Tag);
}
else if (msg != null)
{
if (msg.StatusCode == 200)
{
try
{
this.TempDevice = UPnPDevice.Parse(msg.StringBuffer, new Uri(this.DUrl), sender.Source.Address);
}
catch (Exception)
{
EventLogger.Log(this, EventLogEntryType.Error, "Invalid Device Description XML @" + this.DUrl);
return;
}
if (this.TempDevice == null)
{
EventLogger.Log(this, EventLogEntryType.Error, "Invalid Device Description XML @" + this.DUrl);
}
else
{
this.TempDevice.LocationURL = this.DUrl;
this.TempDevice.ExpirationTimeout = this.MaxAge;
if (this.TempDevice != null)
{
this.ServiceNum = this.FetchServiceCount(this.TempDevice);
if ((this.ServiceNum == 0) && (this.OnDevice != null))
{
this.Lifetime.Remove(this);
this.OnDevice(this, this.TempDevice, new Uri(this.DUrl));
this.TempDevice = null;
}
else
{
this.FetchServiceDocuments(this.TempDevice);
}
}
}
}
else if (this.OnFailed != null)
{
this.OnFailed(this, new Uri(this.DUrl), new Exception("Device returned HTTP fault: " + msg.StatusData));
}
}
else if (this.OnFailed != null)
{
this.OnFailed(this, new Uri(this.DUrl), new Exception("Could not connect to target"));
}
}
public static void ParseURL(string ServiceURL, out string WebIP, out int Port, out string ServiceName)
{
Uri uri = new Uri(ServiceURL);
WebIP = uri.Host;
if (uri.HostNameType == UriHostNameType.Dns)
{
WebIP = Dns.GetHostByName(WebIP).AddressList[0].ToString();
}
Port = uri.Port;
ServiceName = HTTPMessage.UnEscapeString(uri.PathAndQuery);
}
private void HandleReceive(AsyncSocket sender, byte[] buffer, int HeadPointer, int BufferSize, int BytesRead, IPEndPoint source, IPEndPoint remote)
{
HTTPMessage msg = HTTPMessage.ParseByteArray(buffer, 0, BufferSize);
msg.LocalEndPoint = source;
msg.RemoteEndPoint = remote;
sender.BufferBeginPointer = BufferSize;
if (this.OnReceive != null)
{
this.OnReceive(this, msg);
}
}
private void SniffPacketSink(HTTPSession sender, HTTPMessage MSG)
{
if (this.OnSniffPacket != null)
{
if (sender.StateObject == null)
{
this.OnSniffPacket(this, MSG, null);
}
else
{
StateData stateObject = (StateData)sender.StateObject;
object tag = stateObject.Tag;
this.OnSniffPacket(this, MSG, tag);
}
}
}
private void GetHostByNameSink(IAsyncResult result)
{
IPHostEntry entry = null;
try
{
entry = Dns.EndGetHostByName(result);
}
catch (Exception)
{
return;
}
object[] asyncState = (object[])result.AsyncState;
Uri uri = (Uri)asyncState[0];
object tag = asyncState[1];
this.ContinueRequest(new IPEndPoint(entry.AddressList[0], uri.Port), HTTPMessage.UnEscapeString(uri.PathAndQuery), tag, null);
}
private void FetchServiceDocuments(UPnPDevice device)
{
for (int i = 0; i < device.Services.Length; i++)
{
HTTPMessage message = new HTTPMessage();
Uri resource = new Uri(device.Services[i].SCPDURL);
message.Directive = "GET";
message.DirectiveObj = HTTPMessage.UnEscapeString(resource.PathAndQuery);
message.AddTag("Host", resource.Host + ":" + resource.Port.ToString());
this.r.PipelineRequest(resource, device.Services[i]);
}
if (device.EmbeddedDevices.Length > 0)
{
for (int j = 0; j < device.EmbeddedDevices.Length; j++)
{
this.FetchServiceDocuments(device.EmbeddedDevices[j]);
}
}
}
private void HandleReceive(IAsyncResult result)
{
try
{
int count = this.ReceiveSocket.EndReceiveFrom(result, ref this.R_Ep);
HTTPMessage msg = HTTPMessage.ParseByteArray(this.MainBuffer, 0, count);
msg.LocalEndPoint = this.LocalIPEndPoint;
msg.RemoteEndPoint = new IPEndPoint(((IPEndPoint)this.R_Ep).Address, ((IPEndPoint)this.R_Ep).Port);
this.ProcessPacket(msg, msg.RemoteEndPoint);
}
catch (Exception)
{
}
try
{
this.ReceiveSocket.BeginReceiveFrom(this.MainBuffer, 0, 0x1000, SocketFlags.None, ref this.R_Ep, new AsyncCallback(this.HandleReceive), null);
}
catch (Exception)
{
}
}
private void CreateSink(HTTPSession ss)
{
lock (this.TagQueue)
{
ss.OnHeader += new HTTPSession.ReceiveHeaderHandler(this.HeaderSink);
ss.OnReceive += new HTTPSession.ReceiveHandler(this.ReceiveSink);
ss.OnClosed += new HTTPSession.SessionHandler(this.CloseSink);
ss.OnStreamDone += new HTTPSession.StreamDoneHandler(this.StreamDoneSink);
ss.OnRequestAnswered += new HTTPSession.SessionHandler(this.RequestAnsweredSink);
if (this.OnSniff != null)
{
ss.OnSniff += new HTTPSession.SniffHandler(this.SniffSink);
}
if (this.OnSniffPacket != null)
{
ss.OnSniffPacket += new HTTPSession.ReceiveHandler(this.SniffPacketSink);
}
StateData data = (StateData)this.TagQueue.Peek();
try
{
if (this.ProxySetting == null)
{
ss.Send(data.Request);
}
else
{
HTTPMessage packet = (HTTPMessage)data.Request.Clone();
packet.DirectiveObj = "http://" + data.Dest.ToString() + packet.DirectiveObj;
packet.Version = "1.0";
ss.Send(packet);
}
}
catch (Exception exception)
{
EventLogger.Log(exception);
}
}
}
private void HandleRequest(HTTPSession WebSession, HTTPMessage request)
{
this.OnReceiveEvent.Fire(request, WebSession);
}
private void ContinueRequest(IPEndPoint dest, string PQ, object Tag, HTTPMessage MSG)
{
HTTPMessage mSG = null;
if (MSG == null)
{
mSG = new HTTPMessage();
mSG.Directive = "GET";
mSG.DirectiveObj = PQ;
mSG.AddTag("Host", dest.ToString());
}
else
{
mSG = MSG;
}
lock (this.TagQueue)
{
this.IdleTimeout = false;
KeepAliveTimer.Remove(this.GetHashCode());
this.LastMessage = mSG;
if ((!PIPELINE && !this._PIPELINE) || !this._PIPELINE)
{
HTTPRequest request = new HTTPRequest();
request.ProxySetting = this.ProxySetting;
request._PIPELINE = true;
if (this.OnSniff != null)
{
request.OnSniff = (SniffHandler)Delegate.Combine(request.OnSniff, new SniffHandler(this.NonPipelinedSniffSink));
}
if (this.OnSniffPacket != null)
{
request.OnSniffPacket = (RequestHandler)Delegate.Combine(request.OnSniffPacket, new RequestHandler(this.NonPipelinedSniffPacketSink));
}
request.OnResponse = (RequestHandler)Delegate.Combine(request.OnResponse, new RequestHandler(this.NonPipelinedResponseSink));
this.NotPipelinedTable[request] = request;
request.PipelineRequest(dest, mSG, Tag);
}
else
{
bool flag = this.TagQueue.Count == 0;
this.TagQueue.Enqueue(new StateData(mSG, dest, Tag, null));
if (this.s == null)
{
this.ReceivedFirstResponse = false;
if (this.ProxySetting != null)
{
this.s = new HTTPSession(new IPEndPoint(IPAddress.Any, 0), this.ProxySetting, new HTTPSession.SessionHandler(this.CreateSink), new HTTPSession.SessionHandler(this.CreateFailedSink), null);
}
else
{
this.s = new HTTPSession(new IPEndPoint(IPAddress.Any, 0), dest, new HTTPSession.SessionHandler(this.CreateSink), new HTTPSession.SessionHandler(this.CreateFailedSink), null);
}
}
else if (this.s.IsConnected && this.ReceivedFirstResponse)
{
try
{
if (this.ProxySetting == null)
{
this.s.Send(mSG);
}
else
{
HTTPMessage packet = (HTTPMessage)mSG.Clone();
packet.DirectiveObj = "http://" + dest.ToString() + packet.DirectiveObj;
packet.Version = "1.0";
this.s.Send(packet);
}
}
catch (Exception)
{
}
}
}
}
}
private void ProcessPacket(HTTPMessage msg, IPEndPoint src)
{
if (this.OnSniffPacket != null)
{
this.OnSniffPacket(src, null, msg);
}
DText text = new DText();
text.ATTRMARK = "::";
bool isAlive = false;
string tag = msg.GetTag("USN");
text[0] = tag;
string uSN = text[1];
uSN = uSN.Substring(uSN.IndexOf(":") + 1);
string sT = text[2];
int maxAge = 0;
if (msg.GetTag("NTS").ToUpper() == "SSDP:ALIVE")
{
isAlive = true;
string str5 = msg.GetTag("Cache-Control").Trim();
if (str5 != "")
{
text.ATTRMARK = ",";
text.MULTMARK = "=";
text[0] = str5;
for (int i = 1; i <= text.DCOUNT(); i++)
{
if (text[i, 1].Trim().ToUpper() == "MAX-AGE")
{
maxAge = int.Parse(text[i, 2].Trim());
break;
}
}
}
}
else
{
isAlive = false;
}
if ((msg.Directive == "NOTIFY") && (this.OnNotify != null))
{
Uri uri;
try
{
uri = new Uri(msg.GetTag("Location"));
}
catch (Exception)
{
uri = null;
}
this.OnNotify(src, msg.LocalEndPoint, uri, isAlive, uSN, sT, maxAge, msg);
}
if (msg.Directive == "M-SEARCH")
{
try
{
this.ValidateSearchPacket(msg);
}
catch (InvalidSearchPacketException)
{
return;
}
if (this.OnSearch != null)
{
int maxValue = int.Parse(msg.GetTag("MX"));
SearchStruct struct2 = new SearchStruct();
struct2.ST = msg.GetTag("ST");
struct2.Source = src;
struct2.Local = this.LocalIPEndPoint;
this.SearchTimer.Add(struct2, this.RandomGenerator.Next(0, maxValue));
}
}
}
public static HTTPMessage ParseByteArray(byte[] buffer, int indx, int count)
{
byte[] buffer2;
HTTPMessage message = new HTTPMessage();
string str = new UTF8Encoding().GetString(buffer, indx, count);
DText text = new DText();
int index = str.IndexOf("\r\n\r\n");
str = str.Substring(0, index);
text.ATTRMARK = "\r\n";
text.MULTMARK = ":";
text[0] = str;
string str3 = text[1];
DText text2 = new DText();
text2.ATTRMARK = " ";
text2.MULTMARK = "/";
text2[0] = str3;
if (str3.ToUpper().StartsWith("HTTP/"))
{
message.ResponseCode = int.Parse(text2[2]);
int startIndex = str3.IndexOf(" ");
startIndex = str3.IndexOf(" ", (int)(startIndex + 1));
message.ResponseData = UnEscapeString(str3.Substring(startIndex));
try
{
message.Version = text2[1, 2];
}
catch (Exception)
{
message.Version = "0.9";
}
}
else
{
message.Directive = text2[1];
string theString = str3.Substring(str3.LastIndexOf(" ") + 1);
if (!theString.ToUpper().StartsWith("HTTP/"))
{
message.Version = "0.9";
message.DirectiveObj = UnEscapeString(theString);
}
else
{
message.Version = theString.Substring(theString.IndexOf("/") + 1);
int num3 = str3.IndexOf(" ") + 1;
message.DirectiveObj = UnEscapeString(str3.Substring(num3, ((str3.Length - num3) - theString.Length) - 1));
}
}
string tagName = "";
string tagData = "";
for (int i = 2; i <= text.DCOUNT(); i++)
{
if ((tagName != "") && text[i, 1].StartsWith(" "))
{
tagData = text[i, 1].Substring(1);
}
else
{
tagName = text[i, 1];
tagData = "";
for (int j = 2; j <= text.DCOUNT(i); j++)
{
if (tagData == "")
{
tagData = text[i, j];
}
else
{
tagData = tagData + text.MULTMARK + text[i, j];
}
}
}
message.AppendTag(tagName, tagData);
}
int length = 0;
if (message.HasTag("Content-Length"))
{
try
{
length = int.Parse(message.GetTag("Content-Length"));
}
catch (Exception)
{
length = -1;
}
}
else
{
length = -1;
}
if (length > 0)
{
buffer2 = new byte[length];
if (((index + 4) + length) <= count)
{
Array.Copy(buffer, index + 4, buffer2, 0, length);
message.DataBuffer = buffer2;
}
}
switch (length)
{
case -1:
buffer2 = new byte[count - (index + 4)];
Array.Copy(buffer, index + 4, buffer2, 0, buffer2.Length);
message.DataBuffer = buffer2;
break;
case 0:
message.DataBuffer = new byte[0];
break;
}
return(message);
}
public void PipelineRequest(IPEndPoint dest, HTTPMessage MSG, object Tag)
{
this.ContinueRequest(dest, "", Tag, MSG);
}
public void PipelineRequest(Uri Resource, object Tag)
{
object[] stateObject = new object[] { Resource, Tag };
string host = Resource.Host;
if (Resource.HostNameType == UriHostNameType.Dns)
{
Dns.BeginGetHostByName(host, new AsyncCallback(this.GetHostByNameSink), stateObject);
}
else
{
this.ContinueRequest(new IPEndPoint(IPAddress.Parse(Resource.Host), Resource.Port), HTTPMessage.UnEscapeString(Resource.PathAndQuery), Tag, null);
}
}
private void HandleNotify(IPEndPoint source, IPEndPoint local, Uri LocationURL, bool IsAlive, string USN, string ST, int MaxAge, HTTPMessage Packet)
{
if (IsAlive && (LocationURL != null))
{
EventLogger.Log(this, EventLogEntryType.SuccessAudit, LocationURL.ToString());
}
if (this.OnNotify != null)
{
this.OnNotify(source, local, LocationURL, IsAlive, USN, ST, MaxAge, Packet);
}
}
private void HandleHeader(HTTPSession sender, HTTPMessage Header, Stream StreamObject)
{
this.SessionTimer.Remove(sender);
this.OnHeaderEvent.Fire(Header, sender);
}