using netDxf.Entities; using System.Linq; namespace StructureHelperCommon.Services.Exports { public class SinglePolyline2DImportFromDxfLogic : IImportFromFileLogic { public string FileName { get; set; } public Polyline2D Polyline2D { get; private set; } public void Import() { var importLogic = new ShapesAllImportFromDxfLogic() { FileName = FileName}; importLogic.Import(); var entities = importLogic.Entities; Polyline2D = entities.Single(x => x is Polyline2D) as Polyline2D; } } }