public static IDisposable KeyboardDidHideWeakSubscribe(
[NotNull] this KeyboardHandler keyboardHandler,
[NotNull] EventHandler <KeyboardSizeChangedEventArgs> keyboardDidHideHandler)
{
if (keyboardHandler == null)
{
throw new ArgumentNullException(nameof(keyboardHandler));
}
if (keyboardDidHideHandler == null)
{
throw new ArgumentNullException(nameof(keyboardDidHideHandler));
}
return(new WeakEventSubscription <KeyboardHandler, KeyboardSizeChangedEventArgs>(
keyboardHandler,
(eventSource, eventHandler) => eventSource.NotNull().KeyboardDidHide += eventHandler,
(eventSource, eventHandler) => eventSource.NotNull().KeyboardDidHide -= eventHandler,
keyboardDidHideHandler));
}
void IKeyboardHandlerOwner.SetKeyboardHandler(KeyboardHandler handler)
{
_keyboardHandler = handler;
}