public int Add(StrokeSample sample)
{
var resultIndex = Samples.Count;
if (!hasUpdatesAtEndFrom.HasValue)
{
hasUpdatesAtEndFrom = resultIndex;
}
Samples.Add(sample);
if (PreviousPredictedSamples.Count == 0)
{
PreviousPredictedSamples.AddRange(PredictedSamples);
}
if (sample.EstimatedPropertiesExpectingUpdates != 0)
{
sampleIndicesExpectingUpdates.Add(resultIndex);
}
PredictedSamples.Clear();
return(resultIndex);
}