Re: BinaryFormatter.Deserialize

From: Igor (noone_at_hotmail.com)
Date: 10/12/04 

Date: Tue, 12 Oct 2004 13:32:04 +0200

[Serializable()]

public class ApplicationInfo:IDisposable,ISerializable

{

private Guid session; // 16 bytes

private Guid sessionNW; // 16 bytes

private string ANI;

private string DNIS;

private string mqNW; // networking queue

private string parent;

private string child;

private string applicationQueue;

private int machineID;

private int boardID;

private int channelID;

private string applicationName = "";

public ApplicationInfo()

{

}

public ApplicationInfo(SerializationInfo info, StreamingContext ctxt)

{

session = (Guid)info.GetValue("session", typeof(Guid));

sessionNW = (Guid)info.GetValue("sessionNW", typeof(Guid));

ANI = (string)info.GetValue("ANI", typeof(string));

DNIS = (string)info.GetValue("DNIS", typeof(string));

mqNW = (string)info.GetValue("mqNW", typeof(string));

parent = (string)info.GetValue("parent", typeof(string));

child = (string)info.GetValue("child", typeof(string));

applicationQueue = (string)info.GetValue("applicationQueue",
typeof(string));

applicationName = (string)info.GetValue("applicationName", typeof(string));

machineID = (int)info.GetValue("machineID", typeof(int));

boardID = (int)info.GetValue("boardID", typeof(int));

channelID = (int)info.GetValue("channelID", typeof(int));

}

public ApplicationInfo(string session, string sessionNW, string ANI, string
DNIS, string mqNW, string parent, string child, string applicationQueue, int
machine, int board, int channel, string applicationName)

{

this.session = new Guid(session);

this.sessionNW = new Guid(sessionNW);

this.ANI = ANI;

this.DNIS = DNIS;

this.mqNW = mqNW;

this.parent = parent;

this.child = child;

this.applicationQueue = applicationQueue;

this.machineID = machine;

this.boardID = board;

this.channelID = channel;

this.applicationName = applicationName;

}

#region IDisposable Members

public void Dispose()

{

// TODO: Add ApplicationInfo.Dispose implementation

}

#endregion

#region ISerializable Members

public void GetObjectData(SerializationInfo info, StreamingContext context)

{

info.AddValue("session", session);

info.AddValue("sessionNW", sessionNW);

info.AddValue("ANI", ANI);

info.AddValue("DNIS", DNIS);

info.AddValue("mqNW", mqNW);

info.AddValue("parent", parent);

info.AddValue("child", child);

info.AddValue("applicationQueue", applicationQueue);

info.AddValue("machineID", machineID);

info.AddValue("boardID", boardID);

info.AddValue("channelID", channelID);

info.AddValue("applicationName", applicationName);

}

#endregion

}

.........

ApplicationInfo app;

MemoryStream stream = new MemoryStream();

BinaryFormatter formatter = new BinaryFormatter();

formatter.Serialize(stream, app);

MessageQueue mq = new MessageQueue(mqPath);

Message m = new Message(stream, new BinaryMessageFormatter());

mq.Formatter = new BinaryMessageFormatter();

mq.Send(m);

........

public void OnReceiveCompleted(Object source, ReceiveCompletedEventArgs
asyncResult)

{

try

{

MessageQueue mq = (MessageQueue)source;

Message m = mq.EndReceive(asyncResult.AsyncResult);

m.Formatter = new BinaryMessageFormatter();

incomingMessage(source, new IncomingMessageEventArgs((object)m.BodyStream,
false));

mq.BeginReceive();

}

catch(Exception ex)

{

Console.WriteLine(ex.ToString());

}

}

.....

public void OnIncomingMessage(object source, IncomingMessageEventArgs e)

{

BinaryFormatter formatter = new BinaryFormatter();

application = null;

application = (ApplicationInfo)formatter.Deserialize((Stream)e.getDocument);

}

"Jon Skeet [C# MVP]" <skeet@pobox.com> wrote in message
news:MPG.1bd5c5ac27ec3fb598b67a@msnews.microsoft.com...
> Igor <noone@hotmail.com> wrote:
> > While executing BinaryFormatter.Deserialize() I get:
> > System.InvalidCastException: Specified cast is not valid.
> > I implemented ISerializable interface. What may be a problem?
>
> Could you post a short but complete program which demonstrates the
> problem?
>
> See http://www.pobox.com/~skeet/csharp/complete.html for details of
> what I mean by that.
>
> --
> Jon Skeet - <skeet@pobox.com>
> http://www.pobox.com/~skeet
> If replying to the group, please do not mail me too

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