RadioMenuItem.newWithMnemonic

Creates a new #GtkRadioMenuItem containing a label. The label will be created using [gtk.label.Label.newWithMnemonic], so underscores in label indicate the mnemonic for the menu item.

Parameters

groupgroup the radio menu item is inside, or null
labelthe text of the button, with an underscore in front of the mnemonic character

Returns

a new #GtkRadioMenuItem