procedure TForm1.Button1Click(Sender: TObject); var s:string; i:integer; begin //输出某项: s:=listbox1.Items[3]; showmessage(s); s:=''; for i := 0 to listbox1.Count - 1 do begin s:= s + listbox1.Items[i]; end; showmessage(s); end;
for i:=0 to ListBox1.Count-1 do showmessage(ListBox1.Items.Strings[i]);
表示一项:showmessage(listbox1.Items.Strings[listbox1.ItemIndex]); 全部输出: for i:=0 to listbox1.Items.Count-1 do showmessage(listbox1.Items.Strings[i]);
for i:=0 to ListBox1.Count-1 do showmessage(ListBox1.Items.Strings[i]);
procedure TForm1.Button1Click(Sender: TObject); var s:string; i:integer; begin //输出某项: s:=listbox1.Items[3]; showmessage(s); s:=''; for i := 0 to listbox1.Count - 1 do begin s:= s + listbox1.Items[i]; end; showmessage(s); end;
var s:string;
i:integer;
begin
//输出某项:
s:=listbox1.Items[3];
showmessage(s);
s:='';
for i := 0 to listbox1.Count - 1 do
begin
s:= s + listbox1.Items[i];
end;
showmessage(s);
end;
showmessage(ListBox1.Items.Strings[i]);
全部输出:
for i:=0 to listbox1.Items.Count-1 do
showmessage(listbox1.Items.Strings[i]);
showmessage(ListBox1.Items.Strings[i]);
var s:string;
i:integer;
begin
//输出某项:
s:=listbox1.Items[3];
showmessage(s);
s:='';
for i := 0 to listbox1.Count - 1 do
begin
s:= s + listbox1.Items[i];
end;
showmessage(s);
end;