xamarin.ios - Monotouch: convert an Object to NSObject

Question

How is it possible to convert an Object instance to NSObject one?

I've created a NSDictionary from

NSDictionary.FromObjectAndKey();

This method wants an NSObject but I have custom object to pass in:

int key = 2341;
var val = new MyClass();
NSDictionary.FromObjectAndKey(val, key); // obviously it does not work!!

How to fix this? Thank you in advance.

Answer 1

You can not convert an arbitrary object into an NSObject. The NSObject.FromObject will try to wrap common data types like numbers, strings, rectangles, points, transforms, and a handful of other .NET types into their equivalent NSObject types.

In your particular example, "MyClass" would have to derive from an NSObject before you could use it in the NSDictionary.