Warning gtk_font_selection_get_size has been deprecated since version 3.2 and should not be used in newly-written code. Use GtkFontChooser The selected font size. Since 2.14
A n integer representing the selected font size, or -1 if no font size is selected.
See Implementation
Warning gtk_font_selection_get_size has been deprecated since version 3.2 and should not be used in newly-written code. Use GtkFontChooser The selected font size. Since 2.14