OVERLAPPED Structure

Type OVERLAPPED
  Internal As Long
  InternalHigh As Long
  Offset As Long
  OffsetHigh As Long
  hEvent As Long
End Type

Description & Usage

The OVERLAPPED structure tells file access functions what part of a file to read or write when asynchronous (overlapped) file access is used. The structure mainly holds the location within the file to begin the read or write operation.

Visual Basic-Specific Issues

None.

Data Members

Internal
Used by Windows -- do not set.
InternalHigh
Used by Windows -- do not set.
Offset
Low-order dword of the 64-bit position in the file to start reading or writing to.
OffsetHigh
High-order dword of the 64-bit position in the file to start reading or writing to.
hEvent
Receives a handle to an event identifying the signaled state once the transfer is complete.

Used By

ReadFile, WriteFile

Back to the index.


Last Modified: November 17, 1999
This page is copyright © 1999 Paul Kuliniewicz. Copyright Information

Go to Paul Kuliniewicz's Home Page.
E-mail: rogue953@hotmail.com
This page is at http://skyscraper.fortunecity.com/transmission/45/api/o/overlapped.html