Mapsui.Geometries.MultiLineString.GetBoundingBox C# (CSharp) Method

        public override BoundingBox GetBoundingBox()
        {
            if ((LineStrings == null) || (LineStrings.Count == 0))
                return null;
            var bbox = LineStrings[0].GetBoundingBox();
            for (var i = 1; i < LineStrings.Count; i++)
            {
                bbox = bbox.Join(LineStrings[i].GetBoundingBox());
            }
            return bbox;
        }