hello I am new to vala and I am trying to port all my apps before to vala I did create some app to set icons for gnome but in python it works ok but in vala i can't seem to get it working here is my code it's supposed to view icons but nothing happens when I execute it just empty icon view any thoughts ?
Attachment:
helloworld.vala
Description: Text Data
Attachment:
helloworld.ui
Description: application/designer