Index: Core/Components/src/Core.Components.DotSpatial/Converter/FeatureBasedMapDataConverter.cs
===================================================================
diff -u -r4e205e9a39251d5c382c0fa064cc1a5d7239b5bf -r9d24ac09af3f8bb26b9ac80a7f934572f5d1388f
--- Core/Components/src/Core.Components.DotSpatial/Converter/FeatureBasedMapDataConverter.cs	(.../FeatureBasedMapDataConverter.cs)	(revision 4e205e9a39251d5c382c0fa064cc1a5d7239b5bf)
+++ Core/Components/src/Core.Components.DotSpatial/Converter/FeatureBasedMapDataConverter.cs	(.../FeatureBasedMapDataConverter.cs)	(revision 9d24ac09af3f8bb26b9ac80a7f934572f5d1388f)
@@ -96,21 +96,14 @@
             ((TMapFeatureLayer) layer).Name = data.Name;
             layer.ShowLabels = data.ShowLabels;
             layer.LabelLayer = GetLabelLayer(GetColumnNameLookup(data), layer.DataSet, data.ShowLabels, data.SelectedMetaDataAttribute);
-
-            ConvertLayerProperties((TFeatureBasedMapData) data, (TMapFeatureLayer) layer);
+            layer.Symbolizer = CreateSymbolizer((TFeatureBasedMapData) data);
         }
 
         protected abstract IMapFeatureLayer CreateLayer();
 
         protected abstract IEnumerable<IFeature> CreateFeatures(MapFeature mapFeature);
 
-        /// <summary>
-        /// Converts all general properties (like <see cref="FeatureBasedMapData.Name"/> and <see cref="FeatureBasedMapData.IsVisible"/>) 
-        /// from <paramref name="data"/> to <paramref name="layer"/>.
-        /// </summary>
-        /// <param name="data">The data to convert the general properties from.</param>
-        /// <param name="layer">The layer to convert the general properties to.</param>
-        protected abstract void ConvertLayerProperties(TFeatureBasedMapData data, TMapFeatureLayer layer);
+        protected abstract IFeatureSymbolizer CreateSymbolizer(TFeatureBasedMapData mapData);
 
         /// <summary>
         /// Converts an <see cref="IEnumerable{T}"/> of <see cref="Point2D"/> to an
Index: Core/Components/src/Core.Components.DotSpatial/Converter/MapLineDataConverter.cs
===================================================================
diff -u -r4e205e9a39251d5c382c0fa064cc1a5d7239b5bf -r9d24ac09af3f8bb26b9ac80a7f934572f5d1388f
--- Core/Components/src/Core.Components.DotSpatial/Converter/MapLineDataConverter.cs	(.../MapLineDataConverter.cs)	(revision 4e205e9a39251d5c382c0fa064cc1a5d7239b5bf)
+++ Core/Components/src/Core.Components.DotSpatial/Converter/MapLineDataConverter.cs	(.../MapLineDataConverter.cs)	(revision 9d24ac09af3f8bb26b9ac80a7f934572f5d1388f)
@@ -47,12 +47,11 @@
             yield return new Feature(GetGeometry(mapFeature));
         }
 
-        protected override void ConvertLayerProperties(MapLineData data, MapLineLayer layer)
+        protected override IFeatureSymbolizer CreateSymbolizer(MapLineData mapData)
         {
-            if (data.Style != null)
-            {
-                layer.Symbolizer = new LineSymbolizer(data.Style.Color, data.Style.Color, data.Style.Width, data.Style.Style, LineCap.Round);
-            }
+            return mapData.Style != null
+                ? new LineSymbolizer(mapData.Style.Color, mapData.Style.Color, mapData.Style.Width, mapData.Style.Style, LineCap.Round)
+                : new LineSymbolizer();
         }
 
         private static IBasicGeometry GetGeometry(MapFeature mapFeature)
Index: Core/Components/src/Core.Components.DotSpatial/Converter/MapPointDataConverter.cs
===================================================================
diff -u -r4e205e9a39251d5c382c0fa064cc1a5d7239b5bf -r9d24ac09af3f8bb26b9ac80a7f934572f5d1388f
--- Core/Components/src/Core.Components.DotSpatial/Converter/MapPointDataConverter.cs	(.../MapPointDataConverter.cs)	(revision 4e205e9a39251d5c382c0fa064cc1a5d7239b5bf)
+++ Core/Components/src/Core.Components.DotSpatial/Converter/MapPointDataConverter.cs	(.../MapPointDataConverter.cs)	(revision 9d24ac09af3f8bb26b9ac80a7f934572f5d1388f)
@@ -45,12 +45,11 @@
             return GetAllMapFeatureCoordinates(mapFeature).Select(c => new Feature(new Point(c.X, c.Y)));
         }
 
-        protected override void ConvertLayerProperties(MapPointData data, MapPointLayer layer)
+        protected override IFeatureSymbolizer CreateSymbolizer(MapPointData mapData)
         {
-            if (data.Style != null)
-            {
-                layer.Symbolizer = new PointSymbolizer(data.Style.Color, MapDataHelper.Convert(data.Style.Symbol), data.Style.Size);
-            }
+            return mapData.Style != null
+                ? new PointSymbolizer(mapData.Style.Color, MapDataHelper.Convert(mapData.Style.Symbol), mapData.Style.Size)
+                : new PointSymbolizer();
         }
 
         private static IEnumerable<Coordinate> GetAllMapFeatureCoordinates(MapFeature feature)
Index: Core/Components/src/Core.Components.DotSpatial/Converter/MapPolygonDataConverter.cs
===================================================================
diff -u -r4e205e9a39251d5c382c0fa064cc1a5d7239b5bf -r9d24ac09af3f8bb26b9ac80a7f934572f5d1388f
--- Core/Components/src/Core.Components.DotSpatial/Converter/MapPolygonDataConverter.cs	(.../MapPolygonDataConverter.cs)	(revision 4e205e9a39251d5c382c0fa064cc1a5d7239b5bf)
+++ Core/Components/src/Core.Components.DotSpatial/Converter/MapPolygonDataConverter.cs	(.../MapPolygonDataConverter.cs)	(revision 9d24ac09af3f8bb26b9ac80a7f934572f5d1388f)
@@ -66,12 +66,11 @@
             yield return new Feature(GetGeometry(geometryList));
         }
 
-        protected override void ConvertLayerProperties(MapPolygonData data, MapPolygonLayer layer)
+        protected override IFeatureSymbolizer CreateSymbolizer(MapPolygonData mapData)
         {
-            if (data.Style != null)
-            {
-                layer.Symbolizer = new PolygonSymbolizer(data.Style.FillColor, data.Style.StrokeColor, data.Style.Width);
-            }
+            return mapData.Style != null
+                       ? new PolygonSymbolizer(mapData.Style.FillColor, mapData.Style.StrokeColor, mapData.Style.Width)
+                       : new PolygonSymbolizer();
         }
 
         private static IBasicGeometry GetGeometry(List<IPolygon> geometryList)
Index: Core/Components/test/Core.Components.DotSpatial.Test/Converter/FeatureBasedMapDataConverterTest.cs
===================================================================
diff -u -r7090143d6542dc5b6bfc3b920dc1a8c8dc16accb -r9d24ac09af3f8bb26b9ac80a7f934572f5d1388f
--- Core/Components/test/Core.Components.DotSpatial.Test/Converter/FeatureBasedMapDataConverterTest.cs	(.../FeatureBasedMapDataConverterTest.cs)	(revision 7090143d6542dc5b6bfc3b920dc1a8c8dc16accb)
+++ Core/Components/test/Core.Components.DotSpatial.Test/Converter/FeatureBasedMapDataConverterTest.cs	(.../FeatureBasedMapDataConverterTest.cs)	(revision 9d24ac09af3f8bb26b9ac80a7f934572f5d1388f)
@@ -28,6 +28,7 @@
 using Core.Components.Gis.Features;
 using DotSpatial.Controls;
 using DotSpatial.Data;
+using DotSpatial.Symbology;
 using NUnit.Framework;
 
 namespace Core.Components.DotSpatial.Test.Converter
@@ -114,9 +115,9 @@
         private class TestFeatureBasedMapDataConverter<TFeatureBasedMapData> : FeatureBasedMapDataConverter<TFeatureBasedMapData, MapPointLayer>
             where TFeatureBasedMapData : FeatureBasedMapData
         {
-            protected override void ConvertLayerProperties(TFeatureBasedMapData data, MapPointLayer layer)
+            protected override IFeatureSymbolizer CreateSymbolizer(TFeatureBasedMapData mapData)
             {
-
+                return new PointSymbolizer();
             }
 
             protected override IMapFeatureLayer CreateLayer()