1 files changed, 27 insertions, 0 deletions
diff --git a/Xamarin.Forms.Core/GridLengthTypeConverter.cs b/Xamarin.Forms.Core/GridLengthTypeConverter.cs
new file mode 100644
index 00000000..7c58b417
--- /dev/null
+++ b/Xamarin.Forms.Core/GridLengthTypeConverter.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Globalization;
+
+namespace Xamarin.Forms
+{
+	public class GridLengthTypeConverter : TypeConverter
+	{
+		public override object ConvertFromInvariantString(string value)
+		{
+			if (value == null)
+				return null;
+
+			double length;
+			value = value.Trim();
+			if (string.Compare(value, "auto", StringComparison.OrdinalIgnoreCase) == 0)
+				return GridLength.Auto;
+			if (string.Compare(value, "*", StringComparison.OrdinalIgnoreCase) == 0)
+				return new GridLength(1, GridUnitType.Star);
+			if (value.EndsWith("*", StringComparison.Ordinal) && double.TryParse(value.Substring(0, value.Length - 1), NumberStyles.Number, CultureInfo.InvariantCulture, out length))
+				return new GridLength(length, GridUnitType.Star);
+			if (double.TryParse(value, NumberStyles.Number, CultureInfo.InvariantCulture, out length))
+				return new GridLength(length);
+
+			throw new FormatException();
+		}
+	}
+}
+\ No newline at end of file