The event can only appear on the left hand side of = or -=

Asked Feb 03 '13 at 14:03

Active Feb 03 '13 at 14:03

Viewed 4,247 times

i have some problem in this code.. anyone help me

public event EventHandler CollectionChanged
        {
            [MethodImpl(MethodImplOptions.Synchronized)]
            add
            {
                this.CollectionChanged = (EventHandler)Delegate.Combine(this.CollectionChanged, value);
            }
            [MethodImpl(MethodImplOptions.Synchronized)]
            remove
            {
                this.CollectionChanged = (EventHandler)Delegate.Remove(this.CollectionChanged, value);
            }
        }

regards sarva

asked Feb 03 '13 at 14:03

Sarvaratchagan

What exactly is the issue do you want to remove the event delegation on remove ? – Nikshep Feb 03 '13 at 14:09
Umm... And what exactly *is* the problem? – Blachshma Feb 03 '13 at 14:10
The event CollectionChanged can only appear on the left hand side of += or -= – Sarvaratchagan Feb 03 '13 at 14:13
have a look at this http://stackoverflow.com/questions/91778/how-to-remove-all-event-handlers-from-a-control – Nikshep Feb 03 '13 at 14:19
i need to use custom event (add and remove) with property changed... is there any better way in c#? – Sarvaratchagan Feb 03 '13 at 14:20

The event can only appear on the left hand side of = or -=

0 Answers0