I've a quick question here. When we call the
gtk_menu_bar_append (menu, child)
Why we had to cast on menu to make it GTK_MENU_BAR but we don't cast the
child which is a GTK_MENU_ITEM?
Here's what i meant:
GtkWidget *menu_bar, *file_menu_item, ....
.....
gtk_menu_bar_append(GTK_MENU_BAR(menu_bar), file_menu_item);
Why we cast for the first argument of this function but not the second one?
Thanks.
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