solve the conflict between double keys

[Kevin]

Does this code still not work?

,case LBN_DBLCLK<<16|4
,LB_SelectedItem(lParam _s)
,mes F"selected {_s}"

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If it still doesn't work there seems to be something wrong with your qm installation or your experiencing a bug that no one else has reported. I would suggest you to try and uninstall qm reboot pc then reinstall. Open a clean file and try code then. Because you cant seem to get any results or have errors from all functions that have optional function arguments. Something is definitely not right.