This covers the asynchronous programming model supported by various programming languages, using the async and await keywords.

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Use of Async/Await for EventHandlers

I have a MVC WinForms application. I am using Dependency Injection with Ninject as the IoC container. ...
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1answer
31 views

Performance of an OLX crawler

I'm learning concurrency and asynchronous programming in C#. For a better grasp on the matter I'm trying to create an OLX Crawler. My issue here is the performance: It takes roughly 159 minutes to ...
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63 views

TPL Async Await in Console Apps

I just picked up Async Await and I am trying to use Async Await in Console App along with TPL for querying webservices. The code works fine and I am able to get the speed using HttpClient and async. ...
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119 views

Parallel process interest in C#

In web api controller: I am a newer in parallel and Async&Task programming. Need someone help me code review. ...
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141 views

Socket application using TPL

This is an application I wrote that allows multiple TCP clients to share a single TCP connection to a remote server (hosted project, and a demo). Traffic generated by the server is forwarded to all ...
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1answer
128 views

async tcp server using async/await

Here is an async Tcp server using async/await I have written. I would be very appreciate if anyone can help to improve my code. Thank you! ...
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1answer
155 views

Custom HttpClient Wrapper

I need to wrap httpClient because I'm using a custom token provider. I will use this code with asp.net mvc to communicate with our webApi2 server. ( Using webApi2 with directly from ui with angularjs ...
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1answer
90 views

Enumerating smart card terminals asynchronously in ViewModel constructor

I started a project the other day and started going down the path of using async and await as I have never used it before and it seems like a good match. The app that I'm making is a WPF solution ...
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1answer
66 views

Processing files retrieved through FTP in parallel

I am busy creating a file processor that needs to get some files from an Ftp client download the file and save the data into the database. I have a two part question. How can i refactor the code to ...
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2answers
95 views

Asynchronous lookup over HTTP and checking the status

For some reason declaring ApiResult before checking if the answer is in a correct status doesn't look good. I wonder if there is any better way to check the status ...
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1answer
86 views

Safe async API code

I'm pretty new to async/await and I want to ensure that the code I've written is going to be safe and not cause any deadlocks. The RestClient in the code will be ...
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2answers
53 views

Going to the thread pool and back using custom awaiters

I've figured out a way to switch threads in the middle of a method. The benefit of that seems super obvious to me: that's what everyone wants to do anyway, and splitting up methods, using callbacks, ...
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3answers
106 views

ToPaginatedListAsync<T>

I'm using this method and I would likely have a code review. Also, I have one concern and is that source.Count() is executing synchronously and I don't know how to ...
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1answer
130 views

Buffered asynchronous writer

Imagine I have connection in which I have to write numbers, represented by this contract: ...
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2answers
71 views

Cancellable UI loader

I'm playing with async/await, but I have yet to discover a standard method to safely cancel an intensive task. I have tested the following, and it works exactly as intended, though I remain unsure if ...
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1answer
698 views

Starting a fire and forget async method

Sonar/FxCop are telling us that we shouldn't use void async methods. That's ok. This is the current implementation: ...
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1answer
191 views

Embedding an RSS feed into a page after it's already loaded

I'm working on reworking our website from a WYSIWYG editor to MVC. I'm all right with server side code, but complete rubbish when it comes to client side Javascript, so I'd appreciate any/all feedback....
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1answer
26 views

Socket.ReadPacketASync

I'm working with TCP Sockets and I've build a simple packet struct that turns it into a datagram protocol. I've created a class which returns "promise" Tasks for Packets. Packets are very simple, they ...
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1answer
90 views

Asynchronous start/stop state transitions

I have a third-party object with asynchronous start and stop methods. Each start and stop may fail with exception. The object is not re-entrant, i.e. I can only call its start or stop method after the ...
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1answer
60 views

Getting data async

I need to handle concurrent requests by waiting for the result of an already running operation. Is this code safe or does it contain bugs? ...
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1answer
163 views

Priorizatable command queue

This code consistently executes commands with a given priority. How can I to improve it? ...
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2answers
112 views

Mapping a user input string to a corresponding block of code

My idea is I can define a block of code (inline) that corresponds to an input string then can call that block of code when given that input. I'm used to this sort ...
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1answer
76 views

JavaFX await implementation

I'm debating trying to take a crack at getting something similar to C#'s async-co-routine like nature over on JavaFX. This is technically feasible since the Quantem toolkit exposes the ...
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3answers
345 views

Async insecurities

I feel like I'm overdoing the async await stuff. I'm just learning. Maybe this isn't the best instance to be using this stuff. I have a system with sensors that detect the completion of some action....
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2answers
238 views

RubberduckParser 2.0 - Asynchronous Parsing

The IRubberduckParser interface has seen breaking changes, and now looks like this: ...
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2answers
211 views

Async - await all the way

Related to this question (and even this Stack Overflow's one) I have been trying to avoid blocking the code. So what I understood it's that is preferable to make all the methods that rely on an async ...
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1answer
75 views

Change implementation from getting json from file to get it from API

I used to get a JSON file with some configuration settings from the file system, using this class: ...
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2answers
130 views

Running tasks in parallel

I've just started writing asynchronous methods for the first time having watched some tutorials. I have a method where I run two tasks in parallel (...
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1answer
228 views

Async Yield and continue on TaskPool

Using await task.ConfigureAwait(false) is a standard best practice for indicating to the compiler that the continuation does not need to be run on the current ...
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1answer
84 views

Calling synchronous code in asynchronous method

I'm implementing an interface with the async method Execute. In this I need to call some synchronous code. (removing an item from a dictionary). What would be the ...
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1answer
31 views

JW Player + Brightcove Integration

The following code gets video renditions from Brightcove using the media API. It then generates an ordered source list for the JW Player and selects the default rendition based on a pre-set bitrate. <...
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1answer
176 views

Updating sychronous code to run asynchronously using async/await

I maintain an application that has a method in a class for saving uploaded files to filesystem and I want to run asynchronously as it saves multiple files in a single request. I don't know if it's ...
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72 views

Await state async

For speed we sometimes return response to consumer before state is saved in DB. Sometimes (Mostly for our automated consumers) this can break because the want to make actions on the saved data before ...
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1answer
175 views

Async access to School

I have this class with two public async methods, which also calls some private methods that are async. Here's the class: ...
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1answer
503 views

Implementation Async/Await

I have a simple ASP.NET Web API project. Now I want to make all basic methods as asynchronous. I tried to do something, and it's working but I'm not sure that it was implemented properly. Please ...
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2answers
491 views

UI error display window with task async in WPF

I am new to async and was wondering if any improvement can be made to the solution I put together from scattered information on the web. The following (working) code shows how a button press runs ...
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1answer
480 views

Windows Service listening for messages from a network

I am new with async task in C# 4.5 and feel insecure about this: I want to create a Windows Service that listen messages from a network (similar to msmq for example), when a message is received, do ...
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0answers
106 views

Implementing TAP around WMI

I'm trying to improve my skills with the Task-based Asynchronous Pattern (TAP), by writing simple task-based wrappers around some WMI methods: ...
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1answer
345 views

Downloading data using HttpClient

I'm working on a class to download some data from an external server and feed it into my data model. I'm new to both HttpClient and ...
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1answer
143 views

Looping until browser document is ready

I made a do...while loop in order to wait for the web browser to load completely in order to enter username and password. I don't know whether this impacts the ...
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1answer
2k views

Getting messages asynchronously using MailKit

I'm writing a prototype for an application that uses MailKit and imap to connect to gmail. It's the first time I've used MailKit and I'm a bit stumped around the best way to do this. Essentially, I ...
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2answers
268 views

Async & ContinueWith

I am implementing my own UnitOfWork for an EntityFramework-DataContext. I want to call ...
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3answers
388 views

C# Async and DataContext access

I'm using a DataContext to insert an object. Currently it's working, but I'm feeling things could be done better. Method is called from UI (Using Caliburn Micro Binding). IsBusy is a property used by ...
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2answers
163 views

Class for easier to read IProgress<Class> handling (Version 2.0)

This is an update to my question Class for easier to read IProgress handling and includes the suggestions from @svick, with one exception. It was also suggested to change the setter for ...
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1answer
1k views

Cancellable progress form using async/await

Introduction: For a project I'm working on I used a BackGroundWorker to lift some heavy tasks away from the UI thread and report progress. For this I created some ...
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1answer
221 views

Calling common async code from a derived method

I'm implementing a number of classes in C# that have async methods. However, each of these methods needs to implement some boilerplate code that is common to all. Therefore I've implemented the common ...
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1answer
2k views

Async SerialPort Wrapper

I've been working with the SerialPort class for a while, trying to figure out the best way to work with it, and especially adding support for Async-Await in C#. I ...
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1answer
303 views

Listening for several connections in an async method

Is there a better way to structure a method that returns a task that queues several inbound socket connections? ...
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1answer
1k views

Controlling a Windows Service from a WPF app

I have a WPF Control Panel app, where I'm trying to stay close to an MVVM architecture. The control panel (the "the CP") is for a WCF service ("the Scheduler"), hosted in a Windows Service ("the Host")...
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1answer
93 views

Finding a customer's gender

I have been playing with Async/parallel execution in entity framework for while. I'm not sure if I'm doing it right. I have two entity contexts: one for reading and one for writing. The reading ...