Appends text to the list of strings stored in combo_box. If id is non-NULL then it is used as the ID of the row. This is the same as calling gtk_combo_box_text_insert() with a position of -1. Since 2.24
a string ID for this value, or NULL. [allow-none]
A string
See Implementation
Appends text to the list of strings stored in combo_box. If id is non-NULL then it is used as the ID of the row. This is the same as calling gtk_combo_box_text_insert() with a position of -1. Since 2.24