VWIN32_DIOCCompletionRoutine

This function is called by VxDs that implement device input and output control (IOCTL) services when I/O is complete. The function sets the state of the specified event object to signaled. Uses EAX, EDX.

• This service has no return value.

EBX

VxD handle contained in the O_Internal member of the OVERLAPPED structure that identifies the event object. A VxD handle is a ring 0 event handle created by the function OpenVxDHandle.