Как отменить действие макроса UNICODE?

//---------------------------------------------------------------------------
//
// Name: prApp.h
// Author: ser
// Created: 19.09.2014 10:10:07
// Description:
//
//---------------------------------------------------------------------------

#ifndef __PRDLGApp_h__
#define __PRDLGApp_h__

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WX_PRECOMP
#include <wx/wx.h>
#else
#include <wx/wxprec.h>
#endif

class prDlgApp : public wxApp
{
public:
bool OnInit();
int OnExit();
};

#endif

///-----------------------------------------------------------------
///
/// @file prDlg.h
/// @author ser
/// Created: 19.09.2014 10:10:07
/// @section DESCRIPTION
/// prDlg class declaration
///
///------------------------------------------------------------------

#ifndef __PRDLG_H__
#define __PRDLG_H__

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WX_PRECOMP

#include <wx/wx.h>
#include <wx/dialog.h>
#else
#include <wx/wxprec.h>
#endif

//Do not add custom headers between
//Header Include Start and Header Include End.
//wxDev-C++ designer will remove them. Add custom headers after the block.
////Header Include Start
////Header Include End


////Dialog Style Start
#undef prDlg_STYLE
#define prDlg_STYLE wxCAPTION | wxSYSTEM_MENU | wxDIALOG_NO_PARENT | wxMINIMIZE_BOX | wxCLOSE_BOX
////Dialog Style End

class prDlg : public wxDialog
{
private:
DECLARE_EVENT_TABLE();

public:
prDlg(wxWindow *parent, wxWindowID id = 1, const wxString &title = wxT("pr"), const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = prDlg_STYLE);
virtual ~prDlg();
void prDlgActivate(wxActivateEvent& event);
void prDlgActivateApp(wxActivateEvent& event);
void prDlgEnterWindow(wxMouseEvent& event);

private:
//Do not add custom control declarations between
//GUI Control Declaration Start and GUI Control Declaration End.
//wxDev-C++ will remove them. Add custom code after the block.
////GUI Control Declaration Start
////GUI Control Declaration End

private:
//Note: if you receive any error with these enum IDs, then you need to
//change your old form code that are based on the #define control IDs.
//#defines may replace a numeric value for the enum names.
//Try copy and pasting the below block in your old form header files.
enum
{
////GUI Enum Control ID Start
////GUI Enum Control ID End
ID_DUMMY_VALUE_ //don't remove this value unless you have other enum values
};

private:
void OnClose(wxCloseEvent& event);
void CreateGUIControls();
};

#endif

//---------------------------------------------------------------------------
//
// Name: prApp.h
// Author: ser
// Created: 19.09.2014 10:10:07
// Description:
//
//---------------------------------------------------------------------------

#ifndef __PRDLGApp_h__
#define __PRDLGApp_h__

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WX_PRECOMP
#undef UNICODE
#include <wx/wx.h>
#else
#undef UNICODE
#include <wx/wxprec.h>
#endif

class prDlgApp : public wxApp
{
public:
bool OnInit();
int OnExit();
};

#endif

///-----------------------------------------------------------------
///
/// @file prDlg.h
/// @author ser
/// Created: 19.09.2014 10:10:07
/// @section DESCRIPTION
/// prDlg class declaration
///
///------------------------------------------------------------------

#ifndef __PRDLG_H__
#define __PRDLG_H__

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WX_PRECOMP
#undef UNICODE
#include <wx/wx.h>
#undef UNICODE
#include <wx/dialog.h>
#else
#undef UNICODE
#include <wx/wxprec.h>
#endif

//Do not add custom headers between
//Header Include Start and Header Include End.
//wxDev-C++ designer will remove them. Add custom headers after the block.
////Header Include Start
////Header Include End


////Dialog Style Start
#undef prDlg_STYLE
#define prDlg_STYLE wxCAPTION | wxSYSTEM_MENU | wxDIALOG_NO_PARENT | wxMINIMIZE_BOX | wxCLOSE_BOX
////Dialog Style End

class prDlg : public wxDialog
{
private:
DECLARE_EVENT_TABLE();

public:
prDlg(wxWindow *parent, wxWindowID id = 1, const wxString &title = wxT("pr"), const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = prDlg_STYLE);
virtual ~prDlg();
void prDlgActivate(wxActivateEvent& event);
void prDlgActivateApp(wxActivateEvent& event);
void prDlgEnterWindow(wxMouseEvent& event);

private:
//Do not add custom control declarations between
//GUI Control Declaration Start and GUI Control Declaration End.
//wxDev-C++ will remove them. Add custom code after the block.
////GUI Control Declaration Start
////GUI Control Declaration End

private:
//Note: if you receive any error with these enum IDs, then you need to
//change your old form code that are based on the #define control IDs.
//#defines may replace a numeric value for the enum names.
//Try copy and pasting the below block in your old form header files.
enum
{
////GUI Enum Control ID Start
////GUI Enum Control ID End
ID_DUMMY_VALUE_ //don't remove this value unless you have other enum values
};

private:
void OnClose(wxCloseEvent& event);
void CreateGUIControls();
};

#endif