BCNumerickeyBoard et BCKeybord dont work lazarus / 39-Graphics ---------------------------------------------------------------------- essam eddine adib · 2018-08-09 18:15 hi, in windows lazarus its works fine  but in linux it gives me an error "    control '' has no parent window" please can somebody help me thank's for all ---------------------------------------------------------------------- essam eddine adib · 2018-08-10 09:53 Hi, I think when i click on the button the sender as Twincontrol lose the focus if can help thank's ---------------------------------------------------------------------- lainz · 2018-08-10 14:37 Hi. I need to try to see if it's something to fix.