private double GetXValueForItem(object item)
{
var t = item.GetType();
var x = t.GetProperty(this.IndependentValueProperty).GetValue(item);
return(DoubleValueConverter.ObjectToDouble(x));
}
private double GetYValueForItem(object item)
{
var t = item.GetType();
var yProp = t.GetProperty(this.DependentValueProperty);
var y = yProp.GetValue(item);
return(DoubleValueConverter.ObjectToDouble(y));
}