Get a block from a Fixed-Size Block type pool. To be used with pools created with AkFixedSizeBlocksMode block management type, along with any of the block allocation types.
戻り値
A pointer to the start of the allocated memory (NULL if the system is out of memory) The size of the memory block is always in_uBlockSize, specified in AK::MemoryMgr::CreatePool.
警告
This method is not thread-safe. Fixed-Size Block pool access must be protected.