Assign a delegate that takes parameters

Question

I am looking at the BackgroundWorker.ReportProgress method. It can take 1 param (int) or two params (int, object).

If I want to assign the ReportProgress like this:

var ReportProgressMethod = backgroundWorker.ReportProgress;

I get an error saying that there is an ambiguous reference because (of course) the method can take to sets of parameters.

How can I change the above statement to say I want to use the int, object version of the method.

(The idea behind this is that I want to pass ReportProgressMethod as a parameter to a method.)

Answer 1

Action<int, object> reportProgressMethod = backgroundWorker.ReportProgress;

Answer 2

There's multiple ways you can help the compiler but basically you just need to make the delegate type explicit in one way or another. My preferred would be this:

var ReportProgressMethod = new Action<int,object>(backgroundWorker.ReportProgress);

that's what the compiler will do anyways (instantiate a new delegate, whether or not your writing new) but igor is correct in his comments that a cast would work as well.