Knowledge Base Nr: 00289 deepcopy.cs - http://www.swe-kaiser.de

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c#: make a deep copy of any serializable object

  
public Object Clone(Object Original)
{
    System.IO.MemoryStream _Stream = null;
    System.Runtime.Serialization.Formatters.Binary.BinaryFormatter _Formatter = null;
    Byte[] _Bytes = null;
    Object _Clone = null;

    try
    {
        _Stream = new MemoryStream();
        _Formatter = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
        _Formatter.Serialize(_Stream, Original);
        _Bytes = _Stream.ToArray();
        _Stream.Close();
        _Stream = new MemoryStream(_Bytes);
        _Clone = _Formatter.Deserialize(_Stream);
        _Stream.Close();
        return _Clone;
    }
    finally
    {
        if (_Stream != null)
            _Stream.Close();
        _Stream = null;
    }
}

//sample
private void dummyToolStripButton_Click(object sender, EventArgs e)
{
    FRAMETYPE d1 = new FRAMETYPE();
    d1.SIGNALINSTANCES = new SIGNALINSTANCETYPE[3];
    d1.SIGNALINSTANCES[1] = new SIGNALINSTANCETYPE();
    d1.SIGNALINSTANCES[1].BITPOSITION = "33";

    FRAMETYPE d2 = (FRAMETYPE)Clone(d1);
}