using System; #if WINDOWS_UWP namespace Xamarin.Forms.Platform.UWP #else namespace Xamarin.Forms.Platform.WinRT #endif { public class CaseConverter : Windows.UI.Xaml.Data.IValueConverter { public bool ConvertToUpper { get; set; } public object Convert(object value, Type targetType, object parameter, string language) { if (value == null) return null; var v = (string)value; return ConvertToUpper ? v.ToUpper() : v.ToLower(); } public object ConvertBack(object value, Type targetType, object parameter, string language) { throw new NotSupportedException(); } } }