Select a function graph with a mouse lazarus / 55-TAChart ---------------------------------------------------------------------- cpalx · 2018-01-09 20:21 Hello, wel, i have a Tachart and i graph (dynamically) several functions (with lineseries). How could i select the graph point to the lineseries? ---------------------------------------------------------------------- wp · 2018-01-09 20:29 Read this: http://wiki.lazarus.freepascal.org/TAChart_Tutorial:_Chart_Tools, in particular chapter 7. ---------------------------------------------------------------------- cpalx · 2018-01-09 21:02 Thnaks, i will take a look