How to check these 2 lists and those numbers that are in the second list box, retired in the first.
Delphi ... Here I have 2 listbox `a, with items:
В первом: 1 10 100500 во втором: 1 5 100500
It is necessary for the prog to check these 2 sheets of the box and the numbers that are in the second list box to be deleted in the first, that is, only "10" should remain in the listbox 1