Initial

BrightSharp/Diagrams/Adorners/SizeChrome.cs

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+using System;
+using System.Globalization;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+
+namespace Diagrams
+{
+    public class SizeChrome : Control
+    {
+        static SizeChrome()
+        {
+            FrameworkElement.DefaultStyleKeyProperty.OverrideMetadata(typeof(SizeChrome), new FrameworkPropertyMetadata(typeof(SizeChrome)));
+        }
+    }
+
+    public class DoubleFormatConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            double d = (double)value;
+            if (double.IsNaN(d)) return "(Auto)";
+            return Math.Round(d);
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return null;
+        }
+    }
+}