TreeView rows can now be resized and custom painted

Status: Fixed
Fixed in: v26.8.4
Source discussion: https://forum.objo.dev/d/785-class-treeview-missing-event-like-listbox-for-customize-rows
Last updated: 2026-08-17

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Public summary

TreeView rows can be given a consistent height and customised through node-aware background and text painting events, enabling applications to style hierarchical data without replacing the control.