You can probably assign an invalid (null) model index to it. Although layoutAboutToBeChanged() shouldn't invalidate any indexes as no data gets added or removed, only its position may change.
The "Q"
Re: QAbstractItemModel reset Persistent Index
You can probably assign an invalid (null) model index to it. Although layoutAboutToBeChanged() shouldn't invalidate any indexes as no data gets added or removed, only its position may change.
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