Hi, while going through some leftover TRACE's of the Interlocked cleanup, I found the following refcounting in dsound/buffer.c and dsound.c: dsound/buffer.c: This->buffer->ref--; dsound/buffer.c: This->buffer->ref--; dsound/dsound.c: dsb->buffer->ref++; Is there a need to clean (i.e. use Interlocked*) this up? Cheers, Paul.