A Lianja/VFP Primer
https://www.lianja.com/doc/index.php/A_Lianja_Primer
Developing custom sections in Lianja/VFP
https://www.lianja.com/doc/index.php..._Visual_FoxPro
Developing custom gadgets in Lianja/VFP
https://www.lianja.com/doc/index.php..._Visual_FoxPro
Understanding UI layouts
https://www.lianja.com/doc/index.php...ing_UI_Layouts
Understanding Custom delegates
https://www.lianja.com/doc/index.php...stom_Delegates