The information returned depends on the InfoLevel requested. The first entry is a length field which gives the offset in bytes to the next entry. Variable-length information is placed at the end of the fixed structure.

All entries returned will 4-byte aligned and the buffer must be 4-byte aligned.

The QTHREADINFO1 structure will be returned for QTI_BASIC (InfoLevel = 1 ) queries. QTHREADINFO1 will be repeated InfoEntryCount times in the InfoBuffer.

The QTHREADINFO2 structure will be returned for QTI_EXTENDED (InfoLevel = 2 ) queries. QTHREADINFO2 will be repeated InfoEntryCount times in the InfoBuffer.