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#include <vcl.h>
#pragma hdrstop
 
#include "Unit123.h"
 #include "Unit2.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Open1Click(TObject *Sender)
{
if (OpenDialog1->Execute())
        Memo1->Lines->LoadFromFile(OpenDialog1->FileName);
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Save1Click(TObject *Sender)
{
 if (SaveDialog1->Execute())
   Memo1->Lines->SaveToFile(SaveDialog1->FileName);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Font1Click(TObject *Sender)
{
if (FontDialog1->Execute())
Memo1->Font=FontDialog1->Font;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Clear1Click(TObject *Sender)
{
 Memo1->Clear();
}
//---------------------------------------------------------------------------
void __fastcall TForm1::N22221Click(TObject *Sender)
{
Form2->ShowModal();
Form2->Visible=true;
}
//---------------------------------------------------------------------------
 
Для формы2
#include <vcl.h>
#pragma hdrstop
 
#include "Unit2.h"
#include "Unit123.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm2 *Form2;
//---------------------------------------------------------------------------
__fastcall TForm2::TForm2(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------