Unsubscribe / remove Event Handler with custom arguments

Question

I subscribe / create a custom Event Handler with the following code:

myButton.Click += (sender, e) => MyButtonClick(sender, e, stuff1, stuff2);

I want to unsubscribe / remove and tried it like this:

myButton.Click += MyButtonClick;

But throws the following error:
No overload for 'MyButtonClick' matches delegate 'System.Windows.RoutedEventHandler'

And like this:

myButton.Click += MyButtonClick(sender, e, stuff1, stuff2);

But throws the following error:
Cannot implicitly convert type 'void' to 'System.Windows.RoutedEventHandler'

How do I unsubscribe / remove that same Event Handler?

Answer 1

When you use Lambda you need to keep a reference of it to unsubscribe.

Try this

RoutedEventHandler handler = (sender, e) => MyButtonClick(sender, e, stuff1, stuff2);
myButton.Click +=  handler;//Subscribe
//Some more code
myButton.Click -=  handler;//Unsubscribe