Windows core programming-Quick query of New and Old APIs

The following are some thread pool APIs, which are applicable to Vista and earlier OS versions.

Feature	Original API (XP)	Current API
Synch	Registerwaitforsingleobject Unregisterwaitex	Closethreadpoolwait Createthreadpoolwait Setthreadpoolwait Waitforthreadpoolwaitcallbacks
Work	Queueuserworkitem	Closethreadpoolwork Createthreadpoolwork Submitthreadpoolwork Trysubmitthreadpoolcallback Waitforthreadpoolworkcallbacks
Timer	Createtimerqueue Createtimerqueuetimer Changetimerqueuetimer Deletetimerqueuetimer Deletetimerqueueex	Closethreadpooltimer Createthreadpooltimer Isthreadpooltimerset Setthreadpooltimer Waitforthreadpooltimercallbacks
I/O	Bindiocompletioncallback	Cancelthreadpoolio Closethreadpoolio Createthreadpoolio Startthreadpoolio Waitforthreadpooliocallbacks
Clean-up group		Closethreadpoolcleanupgroup Closethreadpoolcleanupgroupmembers Createthreadpoolcleanupgroup
Pool		Closethreadpool Createthreadpool Setthreadpoolthreadmaximum Setthreadpoolthreadminimum
Callback Environment		Destroythreadpoolenvironment Initializethreadpoolenvironment Setthreadpoolcallbackcleanupgroup Setthreadpoolcallbacklibrary Setthreadpoolcallbackpool Setthreadpoolcallbackrunslong
Callback		Callbackmayrunlong
Callback clean up		Disassociatecurrentthreadfromcallback Freelibrarywhencallbackreturns Leavecriticalsectionwhencallbackreturns Releasemutexwhencallbackreturns Releasesemaphorewhencallbackreturns Seteventwhencallbackreturns