I’m a beginner in software development and currently working on a data entry grid. I’m using a grid control with 5 ComboBox columns (Column A, B, C, D, and E). I want to handle the Enter key so that ...

I have an application which was using a System.Windows.Forms.WebBrowser to enable users to navigate to a web page in order to allow an OAuth2 autentication to take place. This works for one ...

I have a ComboBox. When users try change the selectedItem on the ComboBox, I want a MessageBox to pop up and confirm whether or not they want to change their selection. If not, the selection should ...

I was wondering if there is any way to access the expected data type within a function similar to an event arg. I am doubtful that this is possible, though it would be an excellent feature. I ...

So I have an EventHandler: public event EventHandler<CustomEventArgs> Confirmed; protected void RaiseConfirmed() { Confirmed?.Invoke(this, new CustomEventArgs(Color.red)); } And I have a ...

Why the class NotifyCollectionChangedEventArgs in the ObservableCollection's event CollectionChanged have the properties: IList NewItems IList OldItems As IList (notice the s at the end, also when I ...

In my WPF application images are taken with a camera use a view and then passed as bitmaps to another when it's closed via eventargs. However, when I then try to process the images I get the ...

(Beginner's question, if offended please move on, otherwise your input is welcome) Im trying to invoke datagridview events in Wpf code. Implementing the event calling is straight forward. for example: ...

I have three classes, the FileManagerClass contains two events which are EventHandler<FileTransferEventArgs> FileMove and EventHandler<FileTransferEventArgs> FileMoveError. I then have a ...

I get a NullRefernceException even though I subscribed to the event in an Start Methode. Where I create my Event: public EventHandler<CustomArgs> ClickEvent; private void OnMouseDown() ...

Is it possible to achieve in C++ similar behavior to that of events with custom arguments in C#? I came across the following link: https://www.tangiblesoftwaresolutions.com/articles/...

I know that there is a checkedListBox event called ItemChecked and I think there's a CheckChanged event for individual checkboxes, but is there an ItemUnchecked or CheckChanged event counterpart for a ...

we are attempting to set up an online server and connect players to a server using Dark Rift, a collection of libraries. We are getting an error with a part of our code that checks when a player joins ...

I am using C# winforms and have a panel that scrolls that I would like to detect the coordinates of a mouse click within the panel in relation to the panel. I am simply trying to get the coordinates ...

When I pushed slider which children of Grid I want to childrens eventargs should trigger before Grid.I want to e.handled true after my grids children triggered. How do I do this. Thanks for interest. ...