public static void Subscribe(NSObject obj, string selector, EventHandler <ButtonEventArgs> callback)
{
var methods = GetMethods(obj, selector);
methods.EventHandlerInt += callback;
if (!_delegates.ContainsKey(selector))
{
Action <IntPtr, IntPtr, IntPtr, int> del = OnCallbackInt;
if (!ObjC.AddMethod(obj.ClassHandle, selector, del, "v@:@l"))
{
throw new InvalidOperationException("AddMethod failed for selector " + selector);
}
else
{
_delegates[selector] = del;
}
}
}
public static void Subscribe(NSObject obj, string selector, IntPtrHandler callback)
{
var methods = GetMethods(obj, selector);
methods.ActionIntPtr += callback;
if (!_delegates.ContainsKey(selector))
{
IntPtrHandler3 del = OnCallback;
if (!ObjC.AddMethod(obj.ClassHandle, selector, del, "v@:@"))
{
throw new InvalidOperationException("AddMethod failed for selector " + selector);
}
else
{
_delegates[selector] = del;
}
}
}