hdefu 

HDF公共类库，提供基础类型的拓展和一些常用方法。 HDF public class library provides the expansion of basic types and some common methods.

给SDK-Style，同时.Net版本低于.Net5的项目提供C#9.0的init和record特性。 To SDK style, at the same time Net version is lower than The Net5.0 project provides the init and record features of C#9.0.

给SDK-Style，同时.Net版本低于.NetCore3.0的项目提供C#8.0的Index和Range特性。 To SDK style, at the same time .Net version is lower than NetCore3.0 project provides the index and range features of C#8.0.

NPOI的拓展类库。 NPOI's extended class library.

测试包前缀