public IEnumerable <T> GetChannelData <T>(Channel channel) where T : IConvertible
 {
     return(NiLibDdcWrapper.GetChannelData <T>(channel));
 }
 public IEnumerable <T> GetChannelData <T>(Channel channel, uint firstValueIndex = 0, uint numberOfValues = 0) where T : IConvertible
 {
     return(NiLibDdcWrapper.GetChannelData <T>(channel, firstValueIndex, numberOfValues));
 }