/// <summary>
/// Copy a file async
/// </summary>
/// <param name="source">Stream source</param>
/// <param name="destination">Stream destination</param>
/// <param name="completed">Action()</param>
public static void CopyStreamToStream(FileStream source, FileStream destination,
Action <FileStream, FileStream, Exception> completed)
{
byte[] buffer = new byte[0x1024];
System.ComponentModel.AsyncOperation asyncOp = System.ComponentModel.AsyncOperationManager.CreateOperation(null);
Action <Exception> done = e =>
{
if (completed != null)
{
asyncOp.Post(delegate
{
completed(source, destination, e);
}, null);
}
};
AsyncCallback rc = null;
rc = readResult =>
{
try
{
int read = source.EndRead(readResult);
if (read > 0)
{
destination.BeginWrite(buffer, 0, read, writeResult =>
{
try
{
destination.EndWrite(writeResult);
source.BeginRead(
buffer, 0, buffer.Length, rc, null);
}
catch (Exception exc) { done(exc); }
}, null);
}
else
{
done(null);
}
}
catch (Exception exc) { done(exc); }
};
source.BeginRead(buffer, 0, buffer.Length, rc, null);
}
/// <summary>
/// 状態を初期化する
/// </summary>
protected virtual void Initialize()
{
// 既に接続中なら中止する
if (this.IsConnected) {
Disconnect();
}
_asyncOperation = System.ComponentModel.AsyncOperationManager.CreateOperation(null);
}
/// <summary>
/// コンストラクタ
/// </summary>
public ChatClient()
{
_cancelEvent = new System.Threading.ManualResetEvent(true);
_asyncOperation = null;
}
