usingSystem; usingSystem.Collections.Generic; usingSystem.Linq; usingSystem.Text; usingSystem.Runtime.InteropServices;//该引用必须 namespacePB_tests { [Guid("8C4FAF54-1484-4C86-B734-1B6441C4892E")]//利用GUID生成器随机生成，大家上网查如何生成，必须 publicinterfaceCallParamers { [DispId(1)]