begininvoke Questions

3

Solved

I'm testing my app with mono in prevision of a Linux port, and I have a threading problem. I initially considered pasting 3000 code lines here, but finally I've devised a small minimal example ;) ...
Curtsey asked 27/4, 2011 at 12:26

2

Solved

In Silverlight 4 I have a custom service class which has an asynchronous Completed event. Inside the Completed event I take the returned data and invoke a populate method via something like this: ...
England asked 19/7, 2010 at 19:56

3

Solved

In my WPF application, I want to do some work in a non-UI thread so as to avoid the UI from become not-responding. For that I did this: var caller = new AsyncMethodCaller<Pattern>(this...
Bombycid asked 7/4, 2011 at 8:6

2

Solved

Two questions on the callback pattern with AsyncCallback and IAsyncResult. I changed the question with a code example: using System; using System.Collections.Generic; using System.Text; namespac...
Distich asked 23/2, 2011 at 9:34

3

Solved

I have an event delegate that is defined as follows: public delegate void CallbackDelegate(Data data); public event CallbackDelegate OnDataComplete; I raise the event asynchronously: // Raise t...
Wicker asked 21/1, 2011 at 20:14

1

Solved

I want to raise a series of events from my library class, but I'm worried that some event subscribers will be rude and take a long time to process some events, thus blocking the thread that is rais...
Takakotakakura asked 19/1, 2011 at 1:59

3

Solved

Sometimes when Delegate.BeginInvoke is invoked, it takes more than one second to execute the delegate method. What could be the reasons for the delay? I get this issue 1 or 2 times a day in an ap...
Renn asked 6/8, 2010 at 13:26

2

Solved

I need a way to perform some action synchronously which should complete in half a second, but might just hang around for minutes. If it times out I don't care about the result. Here's the I'm doing...
Zalea asked 28/5, 2010 at 15:13

7

Solved

In order to avoid freezing of GUI, I wanted to run method connecting to DB asynchronously. Therefore I have written this: DelegatLoginu dl = ConnectDB; IAsyncResult ar = dl.BeginInvoke(null, null...
Gloria asked 5/5, 2010 at 9:24

1

Solved

Consider the code: class Work { public void DoStuff(string s) { Console.WriteLine(s); // .. whatever } } class Master { private readonly Work work = new Work(); public void Execute() { s...
Rubinrubina asked 22/4, 2010 at 14:49

4

Solved

I've inherited code where BeginInvoke is called from the main thread (not a background thread, which is usually the pattern). I am trying to understand what it actually does in this scenario. Doe...
Anaesthesia asked 18/3, 2010 at 20:56

5

Solved

Greetings, I am developing some application in C#. At the moment I'm dealing with threading and I have a question that I have in my mind. What is the difference between Invoke and BeginInvoke? I r...
Confiscate asked 15/12, 2009 at 19:38

4

Solved

I need to know whether Control.BeginInvoke and Control.Invoke calls will execute in the order they are called. I have the following scenario: UI thread is blocked WCF thread calls Control.BeginI...
Kellum asked 10/12, 2009 at 13:7

3

Solved

Is it possible to use Control.BeginInvoke in anything other than a "fire & forget" manner? I want to change the following request to delegate a callback method so that i can do something when e...
Heathenize asked 27/11, 2009 at 12:58

3

Solved

This page in the MS documentation, covering asynchrony in Windows Forms applications, states: You can call EndInvoke to retrieve the return value from the delegate, if neccesary, but this is no...
Krissykrista asked 13/8, 2009 at 20:7

2

Solved

Here's my old code from WinForms: private void ValueChanged(double inValue1, double inValue2) { //only manual mode for this driver, so that's easy. if (ValueLabel.InvokeRequired) { ValueLabel....
Dredge asked 16/4, 2009 at 22:6

4

Solved

On a web page, I am calling a third party who does not allow me to set timeout programatically. I call BeginInvoke and use the AsyncWaitHandle.WaitOne to wait a specified amount of time. If the ca...
Pithecanthropus asked 17/2, 2009 at 17:41

3

Can anyone tell me why this code behaves the way it does? See comments embedded in the code... Am I missing something really obvious here? using System; namespace ConsoleApplication3 { public cl...
Vasques asked 23/10, 2008 at 12:14

© 2022 - 2024 — McMap. All rights reserved.