public override void TouchesBegan(NSSet touches, UIEvent evt)
{
base.TouchesBegan(touches, evt);
UITouch touch = (UITouch)touches.AnyObject;
CGPoint touchPoint = touch.LocationInView(chart.PlotView);
TKChartSelectionInfo hitTestInfo = chart.HitTestForPoint(touchPoint);
if (hitTestInfo != null)
{
selectedPoint = chart.VisualPointForSeries(hitTestInfo.Series, hitTestInfo.DataPointIndex);
originalLocation = touchPoint;
if (selectedPoint != null)
{
selectedPoint.Animator = null;
originalPosition = selectedPoint.Center;
}
}
}
