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by: Barry Anderberg |
last post by:
I am using asynch sockets and so I call BeginReceive and then in my
callback function I have certain events that would cause me to want to
throw an exception.
The problem of course is that the callback function is executing in a
separate thread from the main thread so when I throw the exception
it's apparently impossible to handle it in the calling thread (ie the
thread that called BeginReceive(..).
Is there a way to throw an...
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by: Dan Kelley |
last post by:
I am writing a server component that will raise various "events" using UDP
multicast events. A number of winform clients will begin receiving these
events on a background thread, listening on the muticast address.
My question is, is there a way of shutting down these threads without
calling Thread.Abort, e.g. when the user shutsdown the application.
If I use the async BeginReceiveFrom method, I still have to call
EndReceiveFrom to...
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by: Michael Evanchik |
last post by:
im trying to do a get on a http server and keep appending the return data to
a string and then i even tried an array of strings. But very odd things are
happening. I am completely missing the header but i would get the second
packet twice. Its obviously my code, or im just never gonna get c# working.
please help here is my code.
command button
--------------------------
ManualResetEvent wait = new ManualResetEvent(false);...
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by: Glen Wolinsky |
last post by:
This is my first attempt as asynchronous processing. I have created a
small test app as proof of concept, but I am having one proglem. In
the example (code listed below), my callback routine has two problems:
1. It runs TWICE; and
2. While it seems to update the web page controls, the results never
show up on the page.
I am using delegates per a couple of examples I found on MSDN and
elsewhere.
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by: ghost |
last post by:
As the Subject indicates I have written a web page that makes use of
several web service calls.
Some of the web service calls are very fast so they called
synchronously. Some web service calls are longer running so I call
them asynch so that they can all run concurrently. The user base for
the application that I am creating demands the partial response of the
faster calls and a gradual update of their web page info from the
balance of...
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by: DaTurk |
last post by:
I have this application that has one sender, and multiple receivers,
the receivers are subscribing to a multicast group to which the sender
is sending information synchronously, while the receivers are receiving
asynchronously. My issue, is that if the if the receiver's socket
disconnects for any reason I want to be able to detect it and attempt
to reconnect.
Although I'm uncertain what to look for. I thought the receiver would...
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by: Patino |
last post by:
I have a particular WS consumer application (Windows app) that was not
able to read an error from the WS app because it was calling a method
asynch. The client app just hangs there. But once I switched the call
to a synch, the client app got the error message and displayed it
nicely to the user.
In this client app. the user does not have to do anything while
waiting for results to come back from the web, so it makes sense to
call the...
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by: David |
last post by:
http://msdn2.microsoft.com/en-us/library/bew39x2a(VS.80).aspx
I was looking at above link and I just don't see the advantage of this. The
main thread is just stopping and waiting for each of the
connects/sends/receives to complete anyway so it seems to me using the
synchronous methods would be much simpler and equivalent as far as
efficiency/performance in this example? What am I missing here? Is it just
that this example is simply to...
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by: Dave |
last post by:
I wrote a simple Asynchronous Socket client that receives OnConnect
notifications and attempts to report this back to the win forms app.
as the notification method is on another thread i'm using
winforms.Invoke or BeginInvoke but the GUI locks up - seemingly just
after entering ConnectResultInvoked().
i thought this was to be pretty straightforward, but i'm stumped so
far. does anyone know what could be the problem??
here's a...
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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