set_group_name

Description:

public void set_group_name (string? group_name)

Sets a group name for this.

Notebooks with the same name will be able to exchange tabs via drag and drop. A notebook with a null group name will not be able to exchange tabs with any other notebook.

Parameters:

this	a `GtkNotebook`
group_name	the name of the notebook group, or null to unset it