DynamicGridColumnNameSelectorWindow now teakes IEnumerable instead of array

inabox.wpf/DynamicGrid/DynamicGridColumn/DynamicGridColumnNameSelectorWindow.cs

@@ -37,7 +37,7 @@ public class DynamicGridColumnNameSelectorGrid : DynamicItemsListGrid<DynamicGri
 
     public string SearchText { get; set; }
 
-    public DynamicGridColumnNameSelectorGrid(Type type, string[] columnNames)
+    public DynamicGridColumnNameSelectorGrid(Type type, IEnumerable<string> columnNames)
     {
         var items = new List<DynamicGridColumnNameSelectorItem>();
         var parentCols = new HashSet<string>();
@@ -223,7 +223,7 @@ public class DynamicGridColumnNameSelectorGrid : DynamicItemsListGrid<DynamicGri
         base.Reload(criteria, columns, ref sort, token, action);
     }
 
-    public static bool SelectColumnName(Type type, string[] columnNames, out string value)
+    public static bool SelectColumnName(Type type, IEnumerable<string> columnNames, out string value)
     {
         var grid = new DynamicGridColumnNameSelectorGrid(type, columnNames)
         {