void gtk_toggle_button_set_group ( GtkToggleButton* toggle_button, GtkToggleButton* group )
self to the group of
In a group of multiple toggle buttons, only one button can be active at a time.
Setting up groups in a cycle leads to undefined behavior.
Note that the same effect can be achieved via the
API, by using the same action with parameter type and state type ‘s’
for all buttons in the group, and giving each button its own target value.
GtkToggleButtonto form a group with.
The argument can be
The data is owned by the caller of the function.