Как GetOpenFileName без CDERR_INITIALIZATION

// cl /LD /clr MyCppDll.cpp
#include <windows.h>
#include <string>
using namespace System;
#using "System.Windows.Forms.dll"
using namespace System::Windows::Forms;
 
#pragma managed
int ShowIt (int len, char* str) {
  String ^s  = gcnew String (str, 0, len);
  MessageBox::Show (s->Replace('\0', '~'), "From .NET");
  return 123;
}
#pragma unmanaged
extern "C" int WINAPI DllMain (HINSTANCE hInstance
    ,DWORD fdReason, PVOID pvReserved) {
  return TRUE;
}
extern "C" __declspec (dllexport) int MyFunction (int len, char *str) {
  return ShowIt (len, str);
}

#ifndef FileDialogH
#define FileDialogH
 
#ifdef __DLL__
#define DLL_SPEC extern "C" __declspec(dllexport)
 
#else
#define DLL_SPEC extern "C" __declspec(dllimport)
#endif // __DLL__
 
#define LUA_LIB
extern "C"
{
    #include "lua.h"
    #include "lauxlib.h"
    #include "lualib.h"
}
 
DLL_SPEC int luaopen_FileDialog(lua_State *L);
 
#endif

// FileDialog.cpp: определяет экспортированные функции для приложения DLL.
//
#define __DLL__
#include "FileDialog.h"
 
#include <windows.h>
 
#pragma comment(lib,"lua5.1.lib")
#pragma comment(lib,"lua51.lib")
 
static int GetOpenFileName(lua_State *L)
{
    const char* fileName= luaL_checkstring(L,1);
    char fileNameBuffer[MAX_PATH]= "";
    strncpy(fileNameBuffer,fileName,MAX_PATH);
 
    OPENFILENAMEA ofn= {0};
    ofn.lStructSize = sizeof(ofn); 
 
    ofn.hwndOwner = 0;
    ofn.lpstrFilter= "Text Files (*.txt)\0*.txt\0All Files (*.*)\0*.*\0";
    ofn.lpstrFile=   fileNameBuffer;
    ofn.nMaxFile=    MAX_PATH;
    ofn.Flags=       OFN_EXPLORER | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY;
    ofn.lpstrDefExt= "txt";
    
    if(::GetOpenFileNameA(&ofn))
      lua_pushstring(L,ofn.lpstrFile);
    else
        lua_pushnil(L);
 
  return 1;
}
 
static const luaL_Reg FileDialogFunctions[] =
{
  {"GetOpenFileName",   GetOpenFileName},
  {NULL, NULL}
};
 
int luaopen_FileDialog(lua_State *L) 
{
  luaL_register(L, "FileDialog", FileDialogFunctions);
    //luaL_newlib(L, FileDialogFunctions);
  return 1;
}