Hi,

I try to select points of my chart.

I draw an rectangle and obtains the coordinate of my rectangle.

Then, I use the method HitTest of my ChartControl, and obtains always no results.
Here is my code :

void customDataZoom_EndDrag(object sender, EventArgs e)
{

//PointDebut is define on mouse down
PointFin = new Point(Cursor.Position.X, Cursor.Position.Y);

Point monPointDansGraphDeb = nChartControl1.PointToClient(PointDebut);
Point monPointDansGraphFin = nChartControl1.PointToClient(PointFin);

NRectangleF maZone = new NRectangleF((float)monPointDansGraphDeb.X,
(float)monPointDansGraphDeb.Y,
Math.Abs((float)monPointDansGraphDeb.X - (float)monPointDansGraphFin.X),
Math.Abs((float)monPointDansGraphDeb.Y - (float)monPointDansGraphFin.Y));
NHitTestResult[] mesPoints = nChartControl1.HitTest(maZone, true);

//--> mesPoints is alway empty

}

Thanks for your help.
François