Setup A Private Instant Messaging System?

Apr 27, 2012

I need to incorporate a private messaging system. I have done some research but do not know what to use. the system needs to be the following.

both a client and server

Be as instant as possible (not sure but if the server could push out the message to the client this would stop a lot of traffic from client software having to connect and check for messages when there is no to be collected).

Be able to work both over the local area network and the internet.

Be able to store messages and push them out to the user when the user comes back online.

Be able to transmit both plain text and html.

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Create P2p Instant Messaging Using Udp?

Jul 7, 2011

I have a final year project to do..i want to create p2p instant messaging using udp. Can anyone guide me step by step how to create this application..many code can be find via internet, but i dont know how to start..and my coding knowledge is average.

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Prequisites Needed For A LAN Instant Messaging Application?

Oct 23, 2009

Could anyone give me the prequisites needed for a LAN Instant Messaging Application?And then, if possible, a step-by-step explanation of how this is accomplished, or a link to a good tutorial?

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C# - Messaging System In .net?

Jan 30, 2010

We have a Message broker application in Java which accepts messages(XML). It validates the XML against XSD and calls a .net Webservice and passes the validated XML.We have a requirement to do the same in .net. Do we have any API's to do this one. I am looking for a system that takes care of logging in case of errors or some kind of activity log. Is Windows workflow foundation meant to do this kind of task?

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.net - Using Multicast Queues In System.Messaging And MSMQ 3.0?

Dec 21, 2011

I am trying to use MessageQueues to notify users of an application of data changes using the Multicast feature, but can't get it to work : the workstation that sends the message does receive it, but none of the other running workstations seem to catch the sent message.Sending messages is done as follows :

Dim sendQueue As New Messaging.MessageQueue("FormatName:MULTICAST=234.1.1.1:8001")
Dim message As New Messaging.Message("message body...")
sendQueue.Send(message)

And receiving them :

Dim receiveQueue As New Messaging.MessageQueue(".private$myQ")
receiveQueue.MulticastAddress = "234.1.1.1:8001"
receiveQueue.BeginReceive()

[code]....

So I'm obviously missing something, and I can't seem to find any good ressources on multicasting with MSMQ 3.0 in .NET.Also, what is not clear is wether I should use a local queue per workstation, or one single remote queue on a server to multicast messages ? And does using the receive method on multicast messages purge them from the queue ?On a side note, all workstations are on the same subnet, and all have MSMQ 3.0 installed.

Despite what the Queue properties dialog says, permissions are NOT totally ignored on unauthenticated queues, at least when using multicasting. If you want your queue to receive multicast messages, it must give to 'ANONYMOUS_LOGON' the right to 'Send messages'. Otherwise, multicast messages are just discarded without any notice in event logs or whatsoever (unless I missed something).

On Win7 stations (XP stations seem to do fine, which is what pointed me to the actual problem), queues created through code do not have such permissions, and hence must be manually set after creating the queue :

Dim msgQ = Messaging.MessageQueue.Create(queueName)
msgQ.SetPermissions("ANONYMOUS LOGON",
Messaging.MessageQueueAccessRights.WriteMessage)

It would seem that internally, MSMQ uses that account to write multicast messages to unauthenticated queues.

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VS 2010 System.messaging Queue Frozen While Message.receive

Jun 12, 2012

This is the first time I have used this messaging library and used some example code to implement it. The first time I ran it it worked perfectly but I abruptly stopped the code since my parsing method seemed wrong. So when I restarted it, the code freezes at the following line:

[Code]....

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Type Or Namespace Name 'Messaging' Does Not Exist In Namespace 'System

Apr 10, 2010

The type or namespace name 'Messaging' does not exist in the namespace 'System' (are you missing an assembly reference?)

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IDE :: Private Sub TextBox1_TextChanged(ByVal Sender As System.Object, ByVal E As System.EventArgs) Handles TextBox1.TextChanged

Jun 10, 2011

Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged

Textbox1 how the text box by real-time data monitoring?

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Private Sub Cv7import_Load(ByVal Sender As System.Object, ByVal E As System.EventArgs)

Jan 5, 2012

I'm making this program that opens the same forder in every pc but it identifies the pc name to do it.

Public Class cv7import Private Sub cv7import_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

[Code]...

but I want it to do it with the pc's name and I'm not sure how the environment.systemdirectory works, or even if it's the right one to use. Is it the right thing to use or is there a better solution.

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Private Sub Btnedit_Click(ByVal Sender As System.Object?

Feb 15, 2012

Private Sub btnedit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnedit.Click

[Code]...

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Private Sub Button1_Click(ByVal Sender As System.Object?

Jan 19, 2009

I have a little VB 2005 Express app that acts as a gui for an application that normally runs in a cli (cmd-like) window, as follows: Code:Public Class Form1

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim Server_Exe As String = "C:Documents and SettingsColinDesktopin 7302OpenSim.Grid.UserServer.exe"

[Code]...

1. The cmd window normally shows various status messages in colour, whereas the RichTextBox shows all messages in Black (on a white background). How can I get the RichTextBox to show the messages in the same colours that the cmd window displays?

2. As the RichTextBox fills with data, filling the box, and beyond, and the scrollbar starts to shrink, I notice that the data at the top of the RichTextBox stays there, and you would have to scroll down to see the last status message, whereas I would like it to do the reverse, i.e the last status message is at the bottom of the visible RichTextBox, and if I wanted to see the earlier messages I would have to scroll up. How can this be achieved?

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Private Sub FontToolStripMenuItem_Click(ByVal Sender As System.Object ?

Dec 26, 2010

Private Sub FontToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles FontToolStripMenuItem.Click Or Button1.Click

Is it possible to make a or?

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Private Sub Form1_Shown(ByVal Sender As System.Object?

Feb 25, 2011

Private Sub Form1_Shown(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Shown

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Private Sub XExitButton_Click(ByVal Sender As System.Object?

Mar 19, 2010

it just gives me zero for my anwser.Can someone please make corrections?Public Class Form1 Private Sub xExitButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles xExitButton.Click

[Code]...

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Private Taxi Hire System For Use By The Company Secretary?

Apr 2, 2010

i'm doing my last year computing project for A Level (using vb.net) and i just need a bit of advice on how to implement something.My system is basically a private taxi hire system for use by the company secretary. They add customers, new drivers, new bookings etc.Add the moment that is all basically coded, with connections to my database etc.

However i was advised that in order not to slip up i need to have a way by when making a booking if one driver is already booked up at the same time he/she is not available. Basically an intelligent booking system that takes into account cancellations, time clashes etc instead of just simply typing in details of a booking and clicking "save".

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Communications :: Private Sub Form1_Load(ByVal Sender As System.Object?

Jul 13, 2010

Why isn't this seemingly simple piece of code working?

Code: Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
For Each sp As String In My.Computer.Ports.SerialPortNames
ListBox1.Items.Add(sp)
Next
End Sub

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VS 2008 Sharing Variables - Private Sub Could Use The Variable Created On Private Sub

Jul 23, 2010

if for example i have two private sub I declared a local variable on private sub a... is there a way that private sub b could use the variable created on private sub a? Im asking because im in a problem in my app were using global variable is not an option to make the long story short

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C# - Setup Project Does Not Create File System Folders During Installation

Aug 31, 2010

I want to create personal folders during installation. I did the following steps:

Right click on your setup project ->
View -> File System
Right click on node "File system on

[Code]....

I know the above steps are correct and should work because i did it in the other application (solution) and worked fine. When i did same exact steps (of course i changed the folder name to be created), the application gets deployed but when i install, i don't get the Personal Folder under Documents? I wonder why did it work with my first solution and didn't work with the current one!

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Checking The Operating System Language As A Condition To Create Registry Entry In The Setup Project?

Mar 20, 2012

I have an installer for my application that makes changes to the registry for better application performance However, depending on the language of the operating system installed this input need changes For example (which is the case itself) Systems in Portuguese the entry is called (Padrao)Systems in English the entry is called (Default) I know I have I change the property "Condition" of the entry I created but I do not know what I have to write in this "Condition" I write within this property to validate that The system is in English or The system is in Portuguese I plan to put the project set two registry entries, one that will be done on systems with English language and other entry in systems with Portuguese language?

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What’s The Difference Between Private Sub And Private Function

Dec 14, 2011

I am completely lost on procedures. Whats the difference bewteen Private sub and private function?

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Communications :: Making A Messaging Program

Apr 26, 2009

I put it in Communications.For My programming class at school we are required to have made a program. So I decided to make a LAN messaging program which uses VB and Microsoft Winsock Control 6.0. Im quite new and noob at using VB so i'm using a tut here, url... to make the base program.As you can see if you've read it, he uses Microsoft Visual Basic 6.0, while I use Microsoft Visual Basic 2008 Express Edition.

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Implementing Notation And A Messaging Center?

Nov 15, 2011

I've created an application where our clients can have access to our program by logging in. It uses our database for most information. I want to implement a richtextbox where it saves notes but i don't know if i should be saving that information as a file or what. Also I also have an application that handles everything that deals with our clients I also want to implement a messaging system that can leave a message to the client upon opening the application if they are missing any information that we require. Can someone point me the right direction on where to learn about this.

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'Statement Is Not Valid In A Namespace' Error Messaging

Jun 2, 2011

I Have a bit of a problem..For some reason visual studio says there's an error--it reads:Statement is not valid in a namespace..I can't figure out how to fix it. This is what my coded looks like and there's a blue squiggly line on the first two lines that start with Private Sub:Private Sub btnPlay_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnPlay.Click.[code]

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Communications :: Dynamic XML Over HTTP Messaging With Query String

Mar 1, 2006

I am trying to send a query to a device over http with the url:

[code...]

What I want to do is retreive this xml file over http and save it with my VB.NET application. To do

that I am trying the following function, and it works to retreive the page source for normal web

sites, but it fails when trying to retreive this particular page.

[code...]

I think that the problem is that the code is counting own a present length in the header, which is

not the case for a dynamically created page. (i.e. you dont know the length until you are done) As

such, the code should be written to read the entire reply.

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Want To Enhance Instant Messenger

Jul 24, 2009

I have instant messenger that I have built its working great with the assistance of a few of you in this great forum..Now I would like to enhance it alittle more and have not been able to get it to work. So here I am asking you out there again for some help. I want each user that logs in to have a different color font for there messages. I believe it would have to go in the recieve messages from server part of the code. Can you please assist with the code and where exactly I would put it. The code below is for the client side there is also a sever side code not provided unless you need it for this project. [code]

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Windows Messaging - SendMessage() Doesn't Work On A Window Already Found?

Oct 14, 2011

I am trying to SendMessage to an app called 'Signal threads' - a test app which sends out a message called TV1_Threads, and listens for a reply. I have shown the values of each variable in the commented areas.

[Code]...

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Asp.net - Apply Databind For Instant Update?

Jan 26, 2011

How to apply databind, so that the recent updated value will be displyed instantly, as i press update button ?

Dim cmd As New Data.SqlClient.SqlCommand
Dim con As New Data.SqlClient.SqlConnection(constr)
Try

[Code]....

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Create An Instant Messenger In Program?

Apr 29, 2010

I am manually entering IPs still as the IP variable.

My error is occurring within the RecieveData() method near the bottom and has something to do with threading.

The message is getting through, but will not display in the rich text box I've made to display it in.[code]...

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Create An Instant Messenger Without A Server?

Apr 16, 2011

One of the companies I support has a group of people on an isolated network. No access outside their subnet at all. They are on multiple floors and have asked if they can get something like Office Communicator, they don't have email and are tired of making phone calls every 5 seconds. Only there is no budget for Office Communications Server, they are cheap. I can't find any instant messenger programs that connect two computer directly so I thought I would write my own, seems like it would be fun. All the samples I have found on here are more like chats then direct communication between two computers.

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Delaying Instant Process With Timer

Jul 20, 2010

How would I go about delaying an otherwise instant process... (With a timer). I've been playing around with it for a while, and cant get it...

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