.NET Framework 4
The NativeOverlapped type exposes the following members.
|EventHandle||Specifies the handle to an event set to the signaled state when the operation is complete. The calling process must set this member either to zero or to a valid event handle before calling any overlapped functions.|
|InternalHigh||Specifies the length of the data transferred. Reserved for operating system use.|
|InternalLow||Specifies a system-dependent status. Reserved for operating system use.|
|OffsetHigh||Specifies the high word of the byte offset at which to start the transfer.|
|OffsetLow||Specifies a file position at which to start the transfer.|