C#开发编码规范 异常处理 注释 避免使用大文件。如果一个文件里的代码超过300～400行，必须考虑将代码分开到不同类中。避免写太长的方法。-C# development coding standard exception handling to avoid the use of the Notes document. If a document of more than 300 ~ code 400 OK, it is necessary to consider separately to different code categories. Avoid writing a long way.