gtkExpanderSetUseUnderline {RGtk2} | R Documentation

## gtkExpanderSetUseUnderline

### Description

If true, an underline in the text of the expander label indicates the next character should be used for the mnemonic accelerator key.

### Usage

    gtkExpanderSetUseUnderline(object, use.underline)

### Arguments

``object`` | a `GtkExpander`
``use.underline`` | `TRUE` if underlines in the text indicate mnemonics

### Details

Since 2.4

### Author(s)

Derived by RGtkGen from GTK+ documentation

[Package RGtk2 version 2.20.36.3 Index]