private static bool DoesChartDisplay()
{
List <SignalDataByTime> channelData = CacheSignalData.GetCacheData().ToList();
return(channelData != null && channelData.Count > 0);
}
/// <summary>
/// Get all available signal values in the cache.
/// </summary>
///
/// <returns>
/// All available signal values.
/// </returns>
public SignalDataByTime[] GetSignalValues()
{
signalValues = CacheSignalData.GetCacheData();
timeWhenSignalValuesAreExtracted = (double)(DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds;
return(signalValues);
}