Creates a new #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.
An existing #GtkRadioToolButton.
the name of a stock item
A new #GtkRadioToolButton
Deprecated: gtk_radio_tool_button_new_from_widget
ConstructionException GTK+ fails to create the object.
2.4
See Implementation
Creates a new #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.