All Questions
140 questions
0
votes
0
answers
35
views
Return an integer from a Task [duplicate]
I watched this video to create an async function that doesn't block my winforms GUI.
C# Async / Await - Make your app more responsive and faster with asynchronous programming
That works great and now ...
- 37
1
vote
1
answer
69
views
When using Diagnostics.Process, blocks UI in WinForms C# 5.0
I need to create app that runs different commands (PowerShell.exe, ipconfig, etc.), but when the ExecuteCommand is called the UI freezes until work is finished.
Tried to run the method using await ...
- 15
0
votes
2
answers
69
views
How to wait for a function in C# windows application to execute which is getting called from C# API project
I am novice to Task, threads and parallel programming and I tried
reading about it but I didn't understand how to fit solution to below
problem.
Basically I have a Function which is executing on users ...
- 31
0
votes
0
answers
94
views
Main thread errors during executing a thread unsafe program from a responsive Windows Forms app
I would like to call a thread unsafe program asynchronously to avoid blocking the UI (Windows Forms). But my solution sometimes causes main thread problems "The automation program should be re-...
- 9
0
votes
0
answers
23
views
Windows Form application with multiple background Tasks?
My question is the following:
I have a winform application which does some text file processes in the background and I show the process status on a winform form.
There could be 3 background processess ...
- 21
1
vote
3
answers
121
views
What mechanism does an async button click handler maintain separate local variables for each invocation?
This code does what you would expect: Two clicks of the button in rapid succession will start two tasks and print two messages with two different local variable values.
private bool _dummy;
...
- 633
1
vote
1
answer
50
views
What's the difference between the first method that runs Task.Run and the one which doesn't run Task.Run?
The listenForClients1 method doesn't block the main thread but the listenForClients2 does. Why is there a difference here? Both tasks seems to be executing but the second doesn't begin working on a ...
- 11
0
votes
0
answers
26
views
Program crashes sporadically at Controls.Add(Control c) method [duplicate]
I have built a nested user control (framework 4.8) that can hold many child user controls. All squares are part of one user control, that is placed on the "Bord" which is a FlowLayouPanel:
...
- 21
-3
votes
1
answer
913
views
How to wait until operations within a foreach loop are completed before iterating again in C#? [closed]
I currently am running the following code:
async Task Method()
{
foreach (DataGridViewRow row in dataGridView1.Row)
{
// Do Something
}
await Task.Delay(120000);
}
However ...
- 1
0
votes
1
answer
100
views
Task returning before its completion
I have desktop application in which I am doing some SQL Server queries asynchronously using ADO.NET. There is one case in which I am creating an object and its taking around 5-6 seconds for completion....
1
vote
1
answer
105
views
C# Forms App Executing Task.Run stops the rest of the code execution
Excuse for the code it is a mess but I'm trying to figure things out without much use of google.
Problem: I have an OnKeyDown method this starts moving my square on the screen to the right, I want to ...
- 1,094
1
vote
1
answer
289
views
What is causing the deadlock?
I know this is not using the proper form, but can someone tell me why the first code snippet works and the 2nd causes a deadlock?
private void button1_Click(object sender, EventArgs e)
{
textBox1....
- 1,527
2
votes
1
answer
2k
views
How do I display the progress of a Task using ProgressBar, Progress, and IProgress<int>
How do I use this?
I am working on a program, that focuses on working with files and directories, and displaying information about the files in a DataGridView. That and copying the files, are ...
- 31
1
vote
1
answer
61
views
Need clarification on using Tasks and Threads C#
I have a program where I have multiple devices plugged in via USB and are connected to my program with HIDSharp. The program I have essentially creates multiple instances of "APData" class ...
0
votes
0
answers
170
views
Task Cancellation Token Not Being Triggered
I am trying to use tasks to send emails. That part is working but I also want to allow the user to cancel an email before it is sent. Currently I am storing a list of Tasks in a List and when a user ...
- 1,155