gtkTreeViewSetExpanderColumn {RGtk2} | R Documentation

## gtkTreeViewSetExpanderColumn

### Description

Sets the column to draw the expander arrow at. It must be in `tree.view`. If `column` is `NULL`, then the expander arrow is always at the first visible column.

### Usage

    gtkTreeViewSetExpanderColumn(object, column)

### Arguments

``object`` | A `GtkTreeView`
``column`` | `NULL`, or the column to draw the expander arrow at.

### Details

If you do not want expander arrow to appear in your tree, set the expander column to a hidden column.

### Author(s)

Derived by RGtkGen from GTK+ documentation

[Package RGtk2 version 2.20.36.3 Index]