gtkToolbarSetDropHighlightItem {RGtk2} | R Documentation

## gtkToolbarSetDropHighlightItem

### Description

Highlights `toolbar` to give an idea of what it would look like if `item` was added to `toolbar` at the position indicated by `index.`. If `item` is `NULL`, highlighting is turned off. In that case `index.` is ignored.

### Usage

    gtkToolbarSetDropHighlightItem(object, tool.item = NULL, index)

### Arguments

``object`` | a `GtkToolbar`
``tool.item`` | a `GtkToolItem`, or `NULL` to turn of highlighting. [ allow-none ]
``index`` | a position on `toolbar`

### Details

The `tool.item` passed to this function must not be part of any widget hierarchy. When an item is set as drop highlight item it can not added to any widget hierarchy or used as highlight item for another toolbar. Since 2.4

### Author(s)

Derived by RGtkGen from GTK+ documentation

[Package RGtk2 version 2.20.36.3 Index]