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

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Last Modified: November 17, 1999
This page is copyright © 1999 Paul Kuliniewicz. Copyright Information Revised October 29, 2000
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