王
王承武
Unregistered / Unconfirmed
GUEST, unregistred user!
procedure TFormGPF.BtnSafeClick(Sender: TObject);
var
P: ^Integer;
X: Integer;
begin
P := @X;
X := 100;
if P <> nil then
ShowMessage (IntToStr (P^));
end;
var
P: ^Integer;
X: Integer;
begin
P := @X;
X := 100;
if P <> nil then
ShowMessage (IntToStr (P^));
end;