Overlapped

Overlapped

System.Threading (mscorlib.dll)class

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);
}


    Part II: Programming with the .NET Framework
    Part IV: API Quick Reference
    Chapter 26. System
     
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