3b9d0ac1bb
- The underlying changes are in windowed-list, which the item tree and all virtualized tables are based on, so if there are bugs they might show up outside of the collection tree. - The expensive operation is adding/removing rows, since row offsets have to be recalculated (this includes collapsing/expanding rows). - The cost on further drawing while scrolling is constant and shouldn't affect performance much. |
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