Error CS0012: The type System.ComponentModel.INotifyPropertyChanged' is defined in an assembly that is not referenced. Consider adding a reference to assemblySystem, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' (CS0012) (CartaDeVinhos)
I get this error after adding a .dll on xamarin in iOS. I am already using this .dll in xamarin windows for android and worked perfectly. Now i just added here and put as embedded resource but it is giving me this error.
WHere should i add this reference to assembly please help ˆˆ