public IList <DataPoint> ToChartDataSource()
{
if (XValues == null)
{
throw new InvalidOperationException("XValues is missing.");
}
if (YValues == null)
{
throw new InvalidOperationException("XValues is missing");
}
// Extract x values from XValues collection.
var xValueExtractor = new DoubleValueExtractor
{
Collection = XValues,
Culture = Culture,
ValuePath = XValuePath,
};
var xValues = xValueExtractor.Extract();
// Extract y values from YValues collection.
var yValueExtractor = new DoubleValueExtractor
{
Collection = YValues,
Culture = Culture,
ValuePath = YValuePath,
};
var yValues = yValueExtractor.Extract();
Debug.Assert(xValues.Count == yValues.Count, "Number of x values in data source does not match the number of y values?!");
var chartDataSource = new DataPointCollection();
int index = 0;
int numberOfDataPoints = Math.Min(xValues.Count, yValues.Count);
var xValuesEnumerator = XValues.GetEnumerator();
var yValuesEnumerator = YValues.GetEnumerator();
while (index < numberOfDataPoints)
{
xValuesEnumerator.MoveNext();
yValuesEnumerator.MoveNext();
var dataPoint = new DataPoint
{
X = xValues[index],
Y = yValues[index],
DataContext = new CompositeData(xValuesEnumerator.Current, yValuesEnumerator.Current)
};
chartDataSource.Add(dataPoint);
index++;
}
return(chartDataSource);
}
