Screen position of a datapoint in winform

[rk]

Hi, I need to get screen display position of a scatterseries datapoint say (3,5) in windows form. I am unable to find any conversion api similar to wpf which has methods to do that. How to get actual position on screen for a point. Any help will be greatly appreciated.

[Nadya | Tech Support Engineer]

Hello,

You can get screen coordinates of the ScatterDataPoint by using the HitTest method:

 private void RadChartView1_MouseMove(object sender, MouseEventArgs e)
 {
     var point = this.radChartView1.Area.View.Renderer.HitTest(e.X, e.Y);

     if (point is ScatterDataPoint)
     {
         Console.WriteLine("Coordinates: X: {0}, Y: {1} ", e.X, e.Y);
     }
 }

I hope this helps. If you have further questions do not hesitate to contact me.

Regards,
Nadya
Progress Telerik

[rk]

Hi, My requirement is not on mouse  events. I want these locations just as these points are created very first time.So which event to use for that purpose is my problem.

[rk]

Hi, My requirement is not on mouse  events. I want these locations just as these points are created very first time.So which event to use for that purpose is my problem.

[Nadya | Tech Support Engineer]

Hello,

You can use the CreatePointElement event that occurs when a DataPointElement is created. You can get the data point location and convert it to screen coordinates with the PointToScreen method. Please refer to the following code snippet:

private void ChartElement_CreatePointElement(object sender, ChartViewCreatePointElementEventArgs e)
{
    ScatterDataPoint point = e.DataPoint as ScatterDataPoint;
    RadPoint location = point.LayoutSlot.Location;
    Point pointScreen = radChartView1.PointToClient(new Point((int)location.X, (int)location.Y));
    Console.WriteLine(pointScreen);
}

I hope this helps. Let me know if you have other questions.

Regards,
Nadya
Progress Telerik