private void WpfMap_Loaded(object sender, RoutedEventArgs e)
        {
            InMemoryFeatureLayer inmLayer1 = new InMemoryFeatureLayer();
            InMemoryFeatureLayer inmLayer2 = new InMemoryFeatureLayer();
            InMemoryFeatureLayer inmLayer3 = new InMemoryFeatureLayer();
            InMemoryFeatureLayer inmLayer3Fortextstyle = new InMemoryFeatureLayer();
            inmLayer1.Open();
            inmLayer2.Open();
            inmLayer3.Open();
            inmLayer3Fortextstyle.Open();

            Feature fatherPolygon = new Feature(new PolygonShape("POLYGON((-0.300699248889195 0.696735382459029,0.488993824757537 0.894846536823366,0.6568379972051 0.245482197518039,-0.300699248889195 0.245482197518039,-0.300699248889195 0.696735382459029))"));
            fatherPolygon.ColumnValues.Add("father", "FATHER");
            Feature child1Polygon = new Feature(new PolygonShape("POLYGON((-0.300699248889195 0.245482197518039,0.6568379972051 0.245482197518039,0.612091980668121 0.418597933628322,0.450472211408916 0.407823282344371,0.387186703764753 0.669219944352871,0.539315010192485 0.700161294812749,0.488993824757537 0.894846536823366,-0.300699248889195 0.696735382459029,-0.300699248889195 0.245482197518039))"));
            child1Polygon.ColumnValues.Add("child1", "CHILD1");
            Feature child2Polygon = new Feature(new PolygonShape("POLYGON((0.539315010192485 0.700161294812749,0.612091980668122 0.41859793362832,0.450472211408916 0.407823282344371,0.387186703764753 0.669219944352871,0.539315010192485 0.700161294812749))"));
            child2Polygon.ColumnValues.Add("child2", "CHILD2");

            inmLayer1.InternalFeatures.Add(child1Polygon);
            inmLayer1.Columns.Add(new FeatureSourceColumn("child1"));
            inmLayer1.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(AreaStyles.CreateSimpleAreaStyle(GeoColor.SimpleColors.Transparent, GeoColor.SimpleColors.Red, 2));
            TextStyle childTestStyle = new TextStyle("child1", new GeoFont("arial", 10, DrawingFontStyles.Regular), new GeoSolidBrush(GeoColor.SimpleColors.Black));
            inmLayer1.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(childTestStyle);
            inmLayer1.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;

            inmLayer2.InternalFeatures.Add(child2Polygon);
            inmLayer2.Columns.Add(new FeatureSourceColumn("child2"));
            inmLayer2.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(AreaStyles.CreateSimpleAreaStyle(GeoColor.SimpleColors.Transparent, GeoColor.SimpleColors.Blue, 2));
            inmLayer2.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(TextStyles.CreateSimpleTextStyle("child2", "Arial", 10, DrawingFontStyles.Regular, GeoColor.SimpleColors.Blue));
            inmLayer2.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;

            inmLayer3.InternalFeatures.Add(fatherPolygon);
            inmLayer3.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(AreaStyles.CreateSimpleAreaStyle(GeoColor.SimpleColors.Transparent, GeoColor.SimpleColors.Black, 2));
            inmLayer3.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;

            inmLayer3Fortextstyle.InternalFeatures.Add(fatherPolygon);
            inmLayer3Fortextstyle.Columns.Add(new FeatureSourceColumn("father"));
            TextStyle fatherTextStyle = new TextStyle("father", new GeoFont("arial", 10, DrawingFontStyles.Regular), new GeoSolidBrush(GeoColor.SimpleColors.Black));
            fatherTextStyle.OverlappingRule = LabelOverlappingRule.AllowOverlapping;
            inmLayer3Fortextstyle.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(fatherTextStyle);
            inmLayer3Fortextstyle.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;

            LayerOverlay layerOverlay = new LayerOverlay();
            layerOverlay.TileType = TileType.SingleTile;

            layerOverlay.Layers.Add(inmLayer3Fortextstyle);
            layerOverlay.Layers.Add(inmLayer1);
            layerOverlay.Layers.Add(inmLayer2);
            layerOverlay.Layers.Add(inmLayer3);

            Map1.MapUnit = GeographyUnit.DecimalDegree;
            Map1.Overlays.Add(layerOverlay);
            Map1.CurrentExtent = inmLayer3.GetBoundingBox();
            Map1.Refresh();
        }