The TreeViewFunctions.HeaderClick method works very well with r19, but since r20 not at all. I get an error message "SystemError: NULL object passed to Py_BuildValue".
I tested with Niklas's code (thanks to him ! ) :
(Tested with r19-> ok, r20, r21, s22-> not ok )
Hi @oli_d , thankk for reaching out us
We have been able to reproduce the issue and we'll look into it to get it fixed in the future.
Since R20, arguments have been added, and the problem is coming from the last one :)
def HeaderClick(self, root, userdata, lColID, lChannel, bDblClk, mouseX, mouseY, ua):
I've opened a bug report