init

DataPRO/Modules/RegionOfInterest/RegionOfInterestChannels/View/StateListIndexConverter.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows.Data;
+
+namespace RegionOfInterestChannels
+{
+    public class StateListIndexConverter : IMultiValueConverter
+    {
+        public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            if (null == values || values.Length != 2)
+                return null;
+
+            if (!(values[1] is int idx) || !(values[0] is IEnumerable<State> states) || states.Count() <= idx)
+                return null;
+
+            return states.ElementAt(idx);
+        }
+
+        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, System.Globalization.CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}