---
name: "GToolbox.tree_selection"
section: "3o"
platform: "linux"
package: "liblablgtk2-ocaml-doc"
version: "2.4.0v0.2tv-8"
release: "Debian 5.0 (Lenny)"
platforms: ["linux"]
url: "https://new.carta.tech/GToolbox.tree_selection"
---

# GToolbox.tree\_selection(3o)

A class to make the user select a node in a tree.

## NAME

GToolbox.tree\_selection - A class to make the user select a node in a tree.

## Class

Class   GToolbox.tree\_selection

## Documentation

*class 'a tree\_selection :* **tree:'a tree -\>** **label:('a -\> string) -\>** **info:('a -\> string) -\>** **?packing:(GObj.widget -\> unit) -\> ?show:bool -\> unit -\> object end**

A class to make the user select a node in a tree.

**Parameters:**

"tree"

**'a GToolbox.tree**

 is the tree to display.

"label"

**'a -\> string**

 gives a label from the data of a node.

"info"

**'a -\> string**

 gives a (Utf8) string from the data of a node, to give more information to the user when he selects a node.

"packing"

**(GObj.widget -\> unit) option**

"show"

**bool option**

""

**unit**

*val obj :* **Gtk.widget Gtk.obj**

*val mutable selection :* **'a option**

*method clear\_selection :* **unit -\> unit**

*method selection :* **'a option**

*method wview :* **GText.view**

*method wtree :* **GBroken.tree**