id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
3689	GUICtrlSetOnEvent Bug	Melba23	Jos	"The Help file states that using an empty string as the ""function"" parameter for GUICtrlSetOnEvent will clear the previous function link:

     ""If the function is an empty string """" the previous user-defined is disabled.""

The following thread shows that this does not happen from at least v3.3.12.0:

https://www.autoitscript.com/forum/topic/197211-guictrlsetonevent-bug/

and that the return value is undefined rather then the expected 0

M23"	Bug	closed	3.3.15.1	AutoIt	3.3.14.5	None	Fixed