Unloads a bank asynchronously (by ID and memory pointer).
Refer to 概説 for a discussion on using strings and IDs.
戻り値
AK_Success if scheduling successful (use a callback to be notified when completed)
注釈
In order to force the memory deallocation of the bank, sounds that use media from this bank will be stopped. This means that streamed sounds or generated sounds will not be stopped.
Memory pointer from where the bank was initially loaded from. (REQUIRED to determine which bank associated to a memory pointer must be unloaded). Pass NULL only if NULL was passed when loading the bank.
in_pfnBankCallback
Callback function
in_pCookie
Callback cookie (reserved to user, passed to the callback function)