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C# in a Nutshell, Second Edition
book

C# in a Nutshell, Second Edition

by Peter Drayton, Ben Albahari, Ted Neward
August 2003
Intermediate to advanced content levelIntermediate to advanced
928 pages
32h 1m
English
O'Reilly Media, Inc.
Content preview from C# in a Nutshell, Second Edition

Name

Overlapped

Synopsis

This class encapsulates the Win32 API OVERLAPPED structure. NativeOverlapped is needed to mimic the structure the API expects, but this class encapsulates the overlapped structure into a .NET class. You can create NativeOverlapped structures by calling Pack( ), and create Overlapped objects with the static Unpack( ) method. To avoid a memory leak, each NativeOverlapped that you create must also be freed by calling the staticFree( ) method. Unpack( ) does not free the memory.

public class Overlapped {
// Public Constructors
   public Overlapped( );
   public Overlapped(int offsetLo, int offsetHi, int hEvent, IAsyncResult ar);
// Public Instance Properties
   public IAsyncResult AsyncResult{set; get; }
   public int EventHandle{set; get; }
   public int OffsetHigh{set; get; }
   public int OffsetLow{set; get; }
// Public Static Methods
   public static void Free(NativeOverlapped *nativeOverlappedPtr);
   public static Overlapped Unpack(NativeOverlapped *nativeOverlappedPtr);
// Public Instance Methods
   public NativeOverlapped* Pack(IOCompletionCallback iocb);
   public NativeOverlapped* UnsafePack(IOCompletionCallback iocb);
}
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Publisher Resources

ISBN: 0596005261Catalog PageErrata