Hi all ,
Im experimenting with some simple patterns and in particular
events and using the event args to send the appropriate data.
The problem I get, is when I implement this via an interface the event
in the interface seems to require the non generic EventHandler.
Ie
public interface IObservable
{
event EventHandler Changed;
}
public interface IObservable<T>
{
event EventHandler<T> Changed;
}
Is illegal as the event does not like the generic type. So I implement
a second interface with the specific argument I need
Public interface ITypedObserver , IObservable
{
new event EventHandler<ScannerEventArgs> Changed; // this
does not seem to override the IObservable event
}
But when I implement the class it still requires the non Generic
EventHandler despite the new. ( without the new it tells me to put the
new in to hide the parent)
Can anyone shed some light on how to do this ? Or to set a generic
event in an interface ?
Regards ,
Ben
PS: Using .Net 2.0 RC
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