/// <summary>
/// Copies a stream asynchronously. This method is useful for copying data to a network stream because the network stream
/// will actually buffer at the hardware level and the calling thread will not have to block. when the asynchronous copy
/// has complete, the delegate specified by the endHandler argument will be called to complete the operation
/// </summary>
/// <param name="inSource">The stream to copy from</param>
/// <param name="inDestination">The stream to copy to. Flush() will be called when the copy is complete</param>
/// <param name="endHandler">The delegate to call when the async copy operation is complete</param>
/// <param name="state">The state, if any that the delegate would like returned to it</param>
public static void BeginCopyStream(Stream inSource,
Stream inDestination,
int bufferSize,
EduAsyncHandler endHandler,
object state)
{
AsyncStreamState streamState =
new AsyncStreamState(inSource, inDestination, bufferSize, endHandler, state);
DoAsyncCopyStep(streamState);
}
public AsyncStreamState(Stream sourceStream,
Stream destinationStream,
int bufferSize,
EduAsyncHandler finishedHandler,
object finishedHandlerState)
: base(finishedHandler, finishedHandlerState)
{
fSourceStream = sourceStream;
fDestinationStream = destinationStream;
fBufferSize = bufferSize;
fBuffer = new byte[fBufferSize];
}
/// <summary>
/// Creates an instance of an EduAsyncResult
/// </summary>
/// <param name="handler">The delegate the will accept the result of the asynchronous invocation</param>
/// <param name="state">The state, if necessary to be returned to the result delegate</param>
public EduAsyncResult(EduAsyncHandler handler,
object state)
{
fAsyncDelegate = handler;
fState = state;
}
/// <summary>
/// Creates an instance of an EduAsyncResult
/// </summary>
/// <param name="handler">The delegate the will accept the result of the asynchronous invocation</param>
/// <param name="state">The state, if necessary to be returned to the result delegate</param>
public EduAsyncResult( EduAsyncHandler handler,
object state )
{
fAsyncDelegate = handler;
fState = state;
}
public AsyncStreamState( Stream sourceStream,
Stream destinationStream,
int bufferSize,
EduAsyncHandler finishedHandler,
object finishedHandlerState )
: base(finishedHandler, finishedHandlerState)
{
fSourceStream = sourceStream;
fDestinationStream = destinationStream;
fBufferSize = bufferSize;
fBuffer = new byte[fBufferSize];
}
/// <summary>
/// Copies a stream asynchronously. This method is useful for copying data to a network stream because the network stream
/// will actually buffer at the hardware level and the calling thread will not have to block. when the asynchronous copy
/// has complete, the delegate specified by the endHandler argument will be called to complete the operation
/// </summary>
/// <param name="inSource">The stream to copy from</param>
/// <param name="inDestination">The stream to copy to. Flush() will be called when the copy is complete</param>
/// <param name="endHandler">The delegate to call when the async copy operation is complete</param>
/// <param name="state">The state, if any that the delegate would like returned to it</param>
public static void BeginCopyStream( Stream inSource,
Stream inDestination,
int bufferSize,
EduAsyncHandler endHandler,
object state )
{
AsyncStreamState streamState =
new AsyncStreamState( inSource, inDestination, bufferSize, endHandler, state );
DoAsyncCopyStep( streamState );
}
