I am getting error on the Backgroundworker1.RunworkerAsync() where it shows an error of Backgroundworker is busy and try to use it aftertime. Is the ...

I have just updated the Visual Studio to 17.4.4. In the following code Thread fires cross-thread exception but Task doesn't. In the Start Without Deb ...

We have a WPF application using Prism 6.0 which have different screens that show collections. Many of these views are loaded in the startup and shown ...

I am using Task() to offload work during the start of my application. And it was working fine. And then it wasn't... If I've got it right, I am making ...

So I'm using the CommonOpenFileDialog from the windowsAPICodepack. In a previous version of the application I'm writing, the CommonOpenFileDialog work ...

I'm trying to prevent the GUI from freezing, because of a low timer interval and too much to process in the Timer.Tick event handler. I've been googli ...

I am trying to display error message notification using MessageBox.Show() method. But I am getting Cross thread operation issue. I used the below code ...

I read various posts, and made a practice project, but it does not works. The form have a button and a text box with a default text 'Updated 0 times'. ...

Previously I was working on an implementation of DynamicObject data binding (see Dynamic object two way data binding), and the solution works great. S ...

(I use .Net 4.5, with Visual Studio 2017. Minimal example link has been added at the end of the post, and is ready to run/crash without anything to do ...

When starting/running your aplication from within Visual Studio 2017 by Ctrl+F5 (Start Without Debugging) and using async/await for winforms' controls ...

I'm having the following issue: I have a config file and a listener over this file. When changed, triggers a method (createMenuAndItems), that modifie ...

I happen to get this Cross-Thread Error when trying to invoke a textbox from a different thread other than the main MMI Thread. I already understand w ...

In my program, I have an abstract class ObservableKeyedCollection<TKey, TItem> that inherits from KeyedCollection<TKey, TItem> and also im ...

Before starting, I know that already have a bunch of answers for that question, but let me explain what's happening. I basically want append some tex ...

I already know that to update control, I can use Invoke Action But that only work with property of control which are single data. Now I have a thre ...