我一直在研究Windows的(新的？)线程池API。我一直在关注UsingtheThreadPoolFunctions中的示例我一直在仔细研究MSDN上的API。关于清理组，我有些不明白。调用SetThreadpoolCallbackCleanupGroup()时，第三个参数描述为Thecleanupcallbacktobecalledifthecleanupgroupiscanceledbeforetheassociatedobjectisreleased.ThefunctioniscalledwhenyoucallCloseThreadpoolCleanupGroupMembers