[IfcAnnotationFillAreaOccurrence.FillStyleTarget property FillStyleTarget public IfcPoint FillStyleTarget { get; set; } 也可以看看 class IfcPoint class IfcAnnotationFillAreaOccurrence 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]