/// <summary>
/// Update the axes when the specified data point's ActualDependentValue property changes.
/// </summary>
/// <param name="dataPoint">The data point.</param>
/// <param name="oldValue">The old value.</param>
/// <param name="newValue">The new value.</param>
protected override void OnDataPointActualDependentValueChanged(DataPoint dataPoint, IComparable oldValue, IComparable newValue)
{
if (oldValue != null)
{
bool removed = DataPointsByActualDependentValue.Remove(oldValue, dataPoint);
if (removed)
{
DataPointsByActualDependentValue.Add(newValue, dataPoint);
}
}
UpdateActualDependentAxis();
UpdateDataPoint(dataPoint);
base.OnDataPointActualDependentValueChanged(dataPoint, oldValue, newValue);
}
/// <summary>
/// Called after data points have been loaded from the items source.
/// </summary>
/// <param name="newDataPoints">New active data points.</param>
/// <param name="oldDataPoints">Old inactive data points.</param>
protected override void OnDataPointsChanged(IList <DataPoint> newDataPoints, IList <DataPoint> oldDataPoints)
{
foreach (DataPoint dataPoint in newDataPoints)
{
DataPointsByActualDependentValue.Add(dataPoint.ActualDependentValue, dataPoint);
}
foreach (DataPoint dataPoint in oldDataPoints)
{
DataPointsByActualDependentValue.Remove(dataPoint.ActualDependentValue, dataPoint);
}
GetAxes();
if (InternalActualDependentAxis != null && InternalActualIndependentAxis != null)
{
Action action = () =>
{
AxesInvalidated = false;
UpdatingAllAxes = true;
try
{
UpdateActualIndependentAxis();
UpdateActualDependentAxis();
}
finally
{
UpdatingAllAxes = false;
}
if (AxesInvalidated)
{
UpdateDataPoints(ActiveDataPoints);
}
else
{
UpdateDataPoints(newDataPoints);
}
AxesInvalidated = false;
};
InvokeOnLayoutUpdated(action);
}
base.OnDataPointsChanged(newDataPoints, oldDataPoints);
}