Программа "Прямой поиск строки"

//---------------------------------------------------------------------------
#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::Button1Click(TObject *Sender)
{
if (OpenDialog1->Execute())
 {
  Memo1->Lines->LoadFromFile(OpenDialog1->FileName);
 }
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Button2Click(TObject *Sender)
{
 if (Pos(Edit1->Text,Memo1->Text)!=0)
    {
     Memo1->SelStart=Pos(Trim(Edit1->Text),Memo1->Text)-1;
     Memo1->SelLength=Edit1->Text.Length()+1;
    }
  else ShowMessage("Не найдено!");
}
//---------------------------------------------------------------------------