using System; namespace Xamarin.Forms.Internals { [Flags] public enum InvalidationTrigger { Undefined = 0, MeasureChanged = 1 << 0, HorizontalOptionsChanged = 1 << 1, VerticalOptionsChanged = 1 << 2, SizeRequestChanged = 1 << 3, RendererReady = 1 << 4, MarginChanged = 1 << 5 } }