using System; namespace Xamarin.Forms { public class FocusEventArgs : EventArgs { public FocusEventArgs(VisualElement visualElement, bool isFocused) { if (visualElement == null) throw new ArgumentNullException("visualElement"); VisualElement = visualElement; IsFocused = isFocused; } public bool IsFocused { get; private set; } public VisualElement VisualElement { get; private set; } } }