Hello Marc Thanks for your answer! I implemented your code in my example and it works very well! When I remove the chart events I note a strange behaviour: the point remains attached to the cursor. So, I stay with the chart event handler. If I have time, I will check which handlers are necessary. An...

Hello Marc

Many thanks for your example!
I will try it in my example with one point.
Why do I need the same event handlers in Chart1 and series a1?

Best regards
Rolf

Hi I am new in using the JavaScript version of TChart. So far I have used the VCL version. I would like to transfer a dynamic chart from VCL to JavaScript. The following picture shows the chart. The green point can be moved by the cursor. The coordinates of the position and some calculated values ar...