Warning
gtk_table_set_col_spacing has been deprecated since version 3.4 and should not be used in newly-written code. Use gtk_widget_set_margin_left() and
gtk_widget_set_margin_right() on the widgets contained in the row if
you need this functionality. GtkGrid does not support per-row spacing.
Alters the amount of space between a given table column and the following
column.
Warning gtk_table_set_col_spacing has been deprecated since version 3.4 and should not be used in newly-written code. Use gtk_widget_set_margin_left() and gtk_widget_set_margin_right() on the widgets contained in the row if you need this functionality. GtkGrid does not support per-row spacing. Alters the amount of space between a given table column and the following column.