/// <summary>
/// Extends BeginRead so that when a state object is not needed, null does not need to be passed.
/// <example>
/// stream.BeginRead(buffer, offset, count, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginRead(this CryptoStream stream, Byte[] buffer, Int32 offset, Int32 count, AsyncCallback callback)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
return(stream.BeginRead(buffer, offset, count, callback, null));
}
/// <summary>
/// Extends BeginRead so that buffer offset of 0 and call to Array.Length are not needed.
/// <example>
/// stream.BeginRead(buffer, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginRead(this CryptoStream stream, Byte[] buffer, AsyncCallback callback)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
return(stream.BeginRead(buffer, 0, buffer.Length, callback));
}
public IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
{
return(_decryptStream.BeginRead(buffer, offset, count, callback, state));
}