Gtk.RadioToolButton.new_from_stock

function new_from_stock(group:[Gtk.RadioButton], stock_id:String):Gtk.ToolItem {
    // Gjs wrapper for gtk_radio_tool_button_new_from_stock()
}

Creates a new Gtk.RadioToolButton, adding it to group. The new Gtk.RadioToolButton will contain an icon and label from the stock item indicated by stock_id.

Since 2.4

group

an existing radio button group, or null if you are creating a new group

stock_id

the name of a stock item

Returns

The new Gtk.RadioToolButton