private LibraryCollection <double> TryGetXValues()
{
var sdkXValues = _firstSeries.Value?.GetFirstChild <C.XValues>();
if (sdkXValues == null)
{
return(null);
}
var points = PointValueParser.FromNumRef(sdkXValues.NumberReference, _sdkChartPart.EmbeddedPackagePart);
return(new LibraryCollection <double>(points));
}
private List <double> GetPointValues(OpenXmlElement sdkSeries)
{
C.NumberReference numberReference;
var cVal = sdkSeries.GetFirstChild <C.Values>();
if (cVal != null) // scatter type chart does not have <c:val> element
{
numberReference = cVal.NumberReference;
}
else
{
numberReference = sdkSeries.GetFirstChild <C.YValues>().NumberReference;
}
return(PointValueParser.FromNumRef(numberReference, _sdkChartPart.EmbeddedPackagePart).ToList()); //TODO: remove to list
}