GtkRadioToolButton
adding it to the same group as group
.
The new GtkRadioToolButton
will contain an icon and label from the
stock item indicated by stock.id
.gtkRadioToolButtonNewWithStockFromWidget(group = NULL, stock.id, show = TRUE)
group
GtkRadioToolButton
.stock.id
GtkToolItem
] A new GtkRadioToolButton