{ ListBox1'in ShowHint ozelligini True yapin. }
procedure TForm1.ListBox1MouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
var
p:TPoint;
begin
p.x:=x;
p.y:=y;
ListBox1.Hint:=ListBox1.Items[ListBox1.ItemAtPos(P,True)];
Application.ActivateHint(P);
end;