main.cpp

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//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "main.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button2Click(TObject *Sender)
{
  FindDialog1->Position = Point(RichEdit1->Left + RichEdit1->Width, RichEdit1->Top);
  FindDialog1->Execute();
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button1Click(TObject *Sender)
{
        if(OpenDialog1->Execute())
        RichEdit1->Lines->LoadFromFile(OpenDialog1->FileName);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FindDialog1Find(TObject *Sender)
{
  int FoundAt, StartPos, ToEnd;
  // begin the search after the current selection
  // if there is one
  // otherwise, begin at the start of the text
  if (RichEdit1->SelLength)
    StartPos = RichEdit1->SelStart + RichEdit1->SelLength;
  else

    StartPos = 0;

  // ToEnd is the length from StartPos
  // to the end of the text in the rich edit control

  ToEnd = RichEdit1->Text.Length() - StartPos;

  FoundAt = RichEdit1->FindText(FindDialog1->FindText, StartPos, ToEnd, TSearchTypes()<< stMatchCase);
  if (FoundAt != -1)
  {
    RichEdit1->SetFocus();
    RichEdit1->SelStart = FoundAt;
    RichEdit1->SelLength = FindDialog1->FindText.Length();
  }        
}
//---------------------------------------------------------------------------