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if selected.caption='' then ...

for i:=0 to selected.subiteems.count-1 do
if selected.subitems[i]='' then ...

±éÀúËùÓÐlistitem
for i:=0 to listview.items.count -1 do
begin
if listview.items[i].caption='' then
  begin
    showmessage('¸ÃÏîΪ¿Õ');
    break;
    end;
for j:=0 to listview.items[i].subitems.count-1 do
if listview.items[i].subitems[j]=''
  begin
    showmessage('¸ÃÏîΪ¿Õ'); 
    break;
  end;
end;



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using namespace std;
int main()
{
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BYTE b[def_buffer];
memset(b, 0, sizeof(b));
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