Opendialog и Savedialog

#include <vcl.h>
#pragma hdrstop
 
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::N2Click(TObject *Sender)
{
Form1->Close();
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
   if (!OpenDialog1->Execute()) return;
   Memo1->Lines->LoadFromFile(OpenDialog1->FileName);
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Button2Click(TObject *Sender)
{
for(int i = 0; i < Memo1->Lines->Count; i ++)
{
Memo2->Text = StringReplace(Memo1->Text,"\r\n", " ", TReplaceFlags() << rfReplaceAll);
}
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Button3Click(TObject *Sender)
{
 if (!SaveDialog1->Execute()) return;
 Memo2->Lines->SaveToFile(SaveDialog1->FileName);
}