savedialog的简单问题

Question

将c:\123.txt 另存为别的文件，应该将‘c:\123.txt'赋值给savedialog的哪个属性啊？

Answer 1

if (SaveDialog.Execute) and (SaveDialog.FileName <> '') then
          begin
                                                        
             copyfile(pchar(path + '123.txt'),pchar    //////path --123.txt的路径(SaveDialog.FileName+'.txt'),false);
          end;

Answer 2

initdir:='c:\';
filename:='123.txt';

Answer 3

procedure TForm1.Button1Click(Sender: TObject);
begin
  if (SaveDialog.Execute) and (SaveDialog.FileName <> '') then
          begin             copyfile('c:\123.txt',pchar(SaveDialog.FileName+'.txt'),false);
          end;
end;