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470 questions linked to/from How do I update the GUI from another thread?
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78 votes
8 answers
196k views

I cannot figure out how to make a C# Windows Form application write to a textbox from a thread. For example in the Program.cs we have the standard main() that draws the form: static void Main() { ...
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11 votes
2 answers
81k views

I'm new with C# and I'm trying to make a simple client server chat application. I have RichTextBox on my client windows form and I am trying to update that control from server which is in another ...
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18 votes
1 answer
4k views

I'm working on a project which uses the following technologies: C# (.NET 4.0) WCF PRISM 4 I'm currently making an asynchronous call to one of our Web Services using the Begin/End methods generated by ...
Hussein Khalil's user avatar
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2 votes
5 answers
7k views

Possible Duplicate: How to update GUI from another thread in C#? I've currently got a C# program to run a query and display the results in a datagridview. The query due to size of records takes a ...
lemunk's user avatar
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1 vote
2 answers
2k views

Is there a way to run code in UI thread while calling it outside of it? I know that it basically requires the use of control.Invoke or control.BeginInvoke. My problem is that i don't have access to UI ...
Soul Reaver's user avatar
  • 2,122
1 vote
3 answers
5k views

I have this error: Cross-thread operation not valid: "Control 'progressBar1' accessed from a thread other than the thread it was created on." I can't seem to figure out how to fix it. private ...
user2267264's user avatar
  • 63
1 vote
1 answer
3k views

I recently started learning C#, I am trying to repeat a method every minute with help of a timer. The method changes the value of the label. However, I get the following error: $exception {"...
Tango's user avatar
  • 396
4 votes
1 answer
1k views

I have app where I'm using background worker to start some sequence. It needs to update GUI sometimes. I have static class with references to some gui objects. In my logic I want to call method from ...
user1736332's user avatar
  • 723
-1 votes
3 answers
2k views

I saw many code that they use BeginInvoke to update UI from another thread. is it possible to update UI from async function without BeginInvoke ? private async void button1_Click(object sender, ...
Mist's user avatar
  • 704
-1 votes
2 answers
4k views

Possible Duplicate: How to update GUI from another thread in C#? Following scenario: I have a class with some GUI elements (winforms). This class has a update method which changes things on the ...
Mistefix's user avatar
  • 113
1 vote
2 answers
2k views

Possible Duplicate: How to update GUI from another thread in C#? My Timer event crashes because the events are called on a different thread I have a timer object that I want to periodically ...
Lee Armstrong's user avatar
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0 votes
5 answers
2k views

I have a thread that runs in parallel with the Main Form (UI). All it does (for now) is increment a counter every second. I want to display the value of the counter using a label in Windows Forms. ...
user2361165's user avatar
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-1 votes
3 answers
1k views

My program displays the time in a timer event and a button starts a function that keeps reading the content of a file until it reaches 50 lines. The test file is created by a different process that ...
Nick_F's user avatar
  • 1,125
3 votes
1 answer
2k views

I'm having a lot of trouble with getting AForge.NET to play together with my Windows Forms application. The application needs a stream of bitmaps to show the video in a custom PictureBox and at the ...
thilemann's user avatar
  • 397
1 vote
2 answers
1k views

Currently I am creating a background STA thread to keep the UI responsive but it slows down my function calls on the main thread. Based on this thread How to update progress bar while working in the ...
chriscode's user avatar
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