procedure TForm1.Button1Click(Sender: TObject);
var
s1:TStrings;
i:integer;
begin
i:=s1.Add('aa');
s1.SaveToFile('c:\a.txt');
end;
end.
为什么这样会出现错误?
var
s1:TStrings;
i:integer;
begin
i:=s1.Add('aa');
s1.SaveToFile('c:\a.txt');
end;
end.
为什么这样会出现错误?
var
s1:TStringList;
begin
sl := TStringList.Create;
s1.Add('aa');
s1.SaveToFile('c:\a.txt');
sl.Free;
end;