[CadAcDbDynamicBlockPurgePreventerVersion constructor 默认构造函数。 public CadAcDbDynamicBlockPurgePreventerVersion() 也可以看看 class CadAcDbDynamicBlockPurgePreventerVersion 命名空间 Aspose.CAD.FileFormats.Cad.CadObjects 部件 Aspose.CAD]