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# ListBox.Hierarchical

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Warning

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This item was deprecated in version 2019r2. Please use `DesktopListBox.AllowExpandableRows<desktoplistbox.allowexpandablerows>` as a replacement.

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## Description

Allows for disclosure triangles for rows added via the AddFolder method.

## Notes

On Windows, plus and minus signs are used instead of disclosure triangles.

## Compatibility

All projects types on all supported operating systems.