I was working for software that needed multiple keyboards support along with multiple microphones support.
Multiple keyboards Support:
Detecting multiple keyboards/devices:
GetRawInputDeviceList( IntPtr.Zero, ref deviceCount, (uint)dwSize ) returns the number of devices detected
You can get a project that detects multiple keyboards and stores the devices in a HashTable at: http://www.codeproject.com/KB/system/rawinput.aspx#_Toc156395978
Multiple Microphones
Also, I had to provide support for multiple microphones. You can use the following function to collect speech from a microphone. The first parameter can be 0, 1, 2 for multiple microphones [device identification number]. If you put -1, it will take the default microphone.
m_Recorder = new WaveLib.WaveInRecorder(-1, fmt, 16384, 3, new WaveLib.BufferDoneEventHandler(DataArrived));
Just check the following article for detail understanding:http://www.codeproject.com/KB/audio-video/cswavrec.aspx
From: http://sitestree.com/?p=5159
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Post Data:2010-01-17 03:14:30
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