fsMDIForm and fsMDIChild on Linux lazarus / 32-Linux ---------------------------------------------------------------------- Dzandaa · 2023-01-22 16:16 Hi, Using Lazarus 2.2.4 and FPC Version 3.2.2 on Windows and Linux I wrote an MDI program with a Parent Form (fsMDIForm )  and Child Forms (fsMDIChild )  that runs on Windows. When I try my program on Linux, the Child Forms are not inside the Parent Form. Any help? ---------------------------------------------------------------------- zeljko · 2023-01-22 21:01 It works under linux with qt,qt5 and qt6 widgetsets (also under mac and windows with all qt widgetsets). ---------------------------------------------------------------------- Dzandaa · 2023-01-23 09:55 Hi Zeljko, Thank you very much!!! I's working perfectly now B->