Информатика. Программирование в Delphi
          
        
        
          
            233
          
        
        
          end;
        
        
          
            procedure TForm1.N4Click(Sender: TObject);
          
        
        
          begin
        
        
          fn:='';
        
        
          Memo1.Lines.Clear;
        
        
          end;
        
        
          
            procedure TForm1.N5Click(Sender: TObject);
          
        
        
          begin
        
        
          if OpenDialog1.Execute then
        
        
          fn:=OpenDialog1.FileName;
        
        
          Memo1.Lines.LoadFromFile(fn);
        
        
          end;
        
        
          end;
        
        
          
            procedure TForm1.N6Click(Sender: TObject);
          
        
        
          begin
        
        
          if fn<>'' then
        
        
          Memo1.Lines.SaveToFile(fn)
        
        
          else
        
        
          if SaveDialog1.Execute then
        
        
          begin
        
        
          fn:=SaveDialog1.FileName;
        
        
          Memo1.Lines.SaveToFile(fn);
        
        
          end;
        
        
          end;
        
        
          
            procedure TForm1.N7Click(Sender: TObject);
          
        
        
          begin
        
        
          if SaveDialog1.Execute then
        
        
          begin
        
        
          fn:=SaveDialog1.FileName;
        
        
          Memo1.Lines.SaveToFile(fn);
        
        
          end;
        
        
          end;
        
        
          
            procedure TForm1.N8Click(Sender: TObject);
          
        
        
          begin
        
        
          Application.Terminate;
        
        
          end;
        
        
          
            procedure TForm1.N9Click(Sender: TObject);