/// <summary>
/// Acquires an independent axis suitable for use with the data values of the series.
/// </summary>
/// <returns>Axis instance.</returns>
protected override IAxis AcquireIndependentAxis()
{
IAxis independentAxis = SeriesHost.Axes
.Where(a => (a.Orientation == AxisOrientation.X) && ((a is IRangeAxis) || (a is ICategoryAxis)) && DataItems.Any() && (a.CanPlot(DataItems.First().ActualIndependentValue)))
.FirstOrDefault();
if (null == independentAxis)
{
object probeValue = DataItems.Any() ? DataItems.First().ActualIndependentValue : null;
double convertedDouble;
DateTime convertedDateTime;
if ((null != probeValue) && ValueHelper.TryConvert(probeValue, out convertedDouble))
{
independentAxis = new LinearAxis();
}
else if ((null != probeValue) && ValueHelper.TryConvert(probeValue, out convertedDateTime))
{
independentAxis = new DateTimeAxis();
}
else
{
independentAxis = new CategoryAxis();
}
independentAxis.Orientation = AxisOrientation.X;
}
return independentAxis;
}
/// <summary>
/// IntervalProperty property changed handler.
/// </summary>
/// <param name="d">DateTimeAxis2 that changed its Interval.</param>
/// <param name="e">Event arguments.</param>
private static void OnIntervalPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DateTimeAxis source = (DateTimeAxis)d;
source.OnIntervalPropertyChanged();
}
