B4J Question [Solved] xCustomListView - Debug, Release and... other

I was searching for a bug in my project: I get a Null Sender when I click a label of a xCustomListView item but only in Release mode , when...

trying a new simple project with just a xCustomListView, I saw:

"Add" method of a xCustomListView in my "real" project:


"Add" method of a xCustomListView in my test project:


Both projects have: