1 files changed, 29 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.WinRT/CaseConverter.cs b/Xamarin.Forms.Platform.WinRT/CaseConverter.cs
new file mode 100644
index 00000000..7f8a9009
--- /dev/null
+++ b/Xamarin.Forms.Platform.WinRT/CaseConverter.cs
@@ -0,0 +1,29 @@
+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();
+		}
+	}
+}
+\ No newline at end of file