Initial Commit

Charts/Legend items/LegendTopButtonToIsEnabledConverter.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Microsoft.Research.DynamicDataDisplay.Converters;
+
+namespace Microsoft.Research.DynamicDataDisplay.Charts
+{
+	internal sealed class LegendTopButtonToIsEnabledConverter : GenericValueConverter<double>
+	{
+		public override object ConvertCore(double value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+		{
+			double verticalOffset = value;
+
+			return verticalOffset > 0;
+		}
+	}
+}