winformsMap1.MapUnit = GeographyUnit.Meter  ;

            LayerOverlay layeroverlay = new LayerOverlay();

            GoogleMapsLayer googleLayer = new GoogleMapsLayer();
            layeroverlay.Layers.Add(googleLayer);

            ShapeFileFeatureLayer shpLayer = new ShapeFileFeatureLayer(@"\beraeumungsantraege.shp");
            shpLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyles.Country1;
            shpLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;


            Proj4Projection proj4 = new Proj4Projection();
            proj4.MemoryMode = Proj4MemoryMode.Unmanaged;
            proj4.InternalProjectionParametersString = "+proj=tmerc +lat_0=0 +lon_0=15 +k=0.9996 +x_0=33500000 +y_0=0 +ellps=GRS80 +units=m +no_defs";
            proj4.ExternalProjectionParametersString = Proj4Projection.GetGoogleMapParametersString();

            shpLayer.FeatureSource.Projection = proj4;
            shpLayer.Open();
            winformsMap1.CurrentExtent = shpLayer.GetBoundingBox();

            layeroverlay.Layers.Add(shpLayer);
            winformsMap1.Overlays.Add(layeroverlay);
            winformsMap1.Refresh();