HELP_CB
Action generated when the user press F1 at a control. In Motif is also activated by the Help button in some workstations keyboard.
Callback
void function(Ihandle *self); [in C] elem:help() -> (ret: number) [in IupLua3] elem:help_cb() -> (ret: number) [in IupLua5]self: identifier of the element that received keyboard focus.
Affects
All elements with user interaction.