public static extern short GetChannelInfo( short handle, out float min, out float max, out short places, out short divider, DigOut channel );
public static extern short GetPulseCount( short handle, DigOut IOChannel, out short count );
public static extern short StartPulseCount( short handle, DigOut IOChannel, short direction );
public static extern short GetInput( short handle, DigOut IOChannel, short pullUp, out short value );
public static extern short SetPWM( short handle, DigOut IOChannel, ushort period, char cycle );
public static extern short SetDO( short handle, DigOut IOChannel, short value );