C#

<br />
private void Start()<br />
{<br />
	    ThreadStart ts1 = new ThreadStart(doit1);<br />
            ThreadStart ts2 = new ThreadStart(doit2);<br />
            t1 = new Thread(ts1);<br />
            t2 = new Thread(ts2);<br />
            t1.Start();<br />
            t2.Start();<br />
}<br />
<br />
private void doit1()<br />
{<br />
            <br />
            String filename = FilenameBox.Text;<br />
            String ending = ".wav";<br />
	    RecorderOutputStream = new MemoryStream();<br />
	    WaveLib.WaveFormat fmt = new WaveLib.WaveFormat(44100, 16, 2); <br />
            m_Recorder = new WaveLib.WaveInRecorder(Int16.Parse(SoundDeviceBox.Text), fmt, 2048, 1, new WaveLib.BufferDoneEventHandler(DataArrived));<br />
<br />
            fs = new FileStream(filename + ending, System.IO.FileMode.Create);<br />
}<br />
<br />
private void doit2()<br />
{<br />
            <br />
            String filename1 = FilenameBox1.Text;<br />
            String ending = ".wav";<br />
	    RecorderOutputStream1 = new MemoryStream();<br />
	    WaveLib.WaveFormat fmt = new WaveLib.WaveFormat(44100, 16, 2); <br />
            m_Recorder1 = new WaveLib.WaveInRecorder(Int16.Parse(SoundDeviceBox1.Text), fmt, 2048, 1, new WaveLib.BufferDoneEventHandler(DataArrived1));<br />
<br />
            fs1 = new FileStream(filename1 + ending, System.IO.FileMode.Create);<br />
}<br />
   //& These are my DataArrived functions :<br />
<br />
private void DataArrived(IntPtr data, int size)<br />
{<br />
	    if (m_RecBuffer == null || m_RecBuffer.Length < size)<br />
	         m_RecBuffer = new byte[size];<br />
	    System.Runtime.InteropServices.Marshal.Copy(data, m_RecBuffer, 0, size);<br />
            RecorderOutputStream.Write(m_RecBuffer, 0, m_RecBuffer.Length);<br />
}<br />
<br />
private void DataArrived1(IntPtr data, int size)<br />
{<br />
            if (m_RecBuffer1 == null || m_RecBuffer1.Length < size)<br />
                 m_RecBuffer1 = new byte[size];<br />
            System.Runtime.InteropServices.Marshal.Copy(data, m_RecBuffer1, 0, size);<br />
            RecorderOutputStream.Write(m_RecBuffer1, 0, m_RecBuffer1.Length);<br />
}     <br />
<br />

if (File.Exists("*.txt"))
{...}