private void CopyStreamAsync(Stream input, Stream output, bool flushInput, bool flushOutput, StreamCopyCompletedDelegate completed)
{
byte[] buffer = new byte[1024 * 4];
var asyncOp = System.ComponentModel.AsyncOperationManager.CreateOperation(null);
Action<Exception> done = e =>
{
if (completed != null) asyncOp.Post(delegate
{
completed(input, output, e);
}, null);
};
AsyncCallback rc = null;
rc = readResult =>
{
try
{
int read = input.EndRead(readResult);
if (read > 0)
{
if (flushInput) input.Flush();
output.BeginWrite(buffer, 0, read, writeResult =>
{
try
{
output.EndWrite(writeResult);
if (flushOutput) output.Flush();
input.BeginRead(buffer, 0, buffer.Length, rc, null);
}
catch (Exception exc) { done(exc); }
}, null);
}
else done(null);
}
catch (Exception exc) { done(exc); }
};
input.BeginRead(buffer, 0, buffer.Length, rc, null);
}
private void CopyStreamAsync(Stream input, Stream output, bool flushInput, bool flushOutput, StreamCopyCompletedDelegate completed)
{
byte[] buffer = new byte[1024 * 4];
var asyncOp = System.ComponentModel.AsyncOperationManager.CreateOperation(null);
Action <Exception> done = e =>
{
if (completed != null)
{
asyncOp.Post(delegate
{
completed(input, output, e);
}, null);
}
};
AsyncCallback rc = null;
rc = readResult =>
{
try
{
int read = input.EndRead(readResult);
if (read > 0)
{
if (flushInput)
{
input.Flush();
}
output.BeginWrite(buffer, 0, read, writeResult =>
{
try
{
output.EndWrite(writeResult);
if (flushOutput)
{
output.Flush();
}
input.BeginRead(buffer, 0, buffer.Length, rc, null);
}
catch (Exception exc) { done(exc); }
}, null);
}
else
{
done(null);
}
}
catch (Exception exc) { done(exc); }
};
input.BeginRead(buffer, 0, buffer.Length, rc, null);
}
