campo-sirio/ba/autorun.cpp

#define WIN32_LEAN_AND_MEAN
#define STRICT
#include <windows.h>
#include <shellapi.h>

BOOL ErrorBox(LPCTSTR msg)
{
  ::MessageBox(NULL, msg, TEXT("Setup"), MB_OK | MB_ICONERROR);
  return FALSE;
}

BOOL FileExists(LPCTSTR name)
{
  return ::GetFileAttributes(name) != 0xFFFFFFFF;
}

BOOL IsVistaOrLater()
{
  BOOL good = FALSE;
	OSVERSIONINFOEX osinfo; ZeroMemory(&osinfo, sizeof(osinfo));
	osinfo.dwOSVersionInfoSize = sizeof(osinfo);
  if (::GetVersionEx((OSVERSIONINFO*)&osinfo))
	  good = osinfo.dwMajorVersion >= 6;
  return good;
}

int WINAPI WinMain (HINSTANCE hInst, HINSTANCE hinstPrev, LPSTR pCmdLine, int nCmdShow) 
{               
  BOOL bFound = FileExists(TEXT("SetCmpUp.exe"));
  if (!bFound)
  {
    ::SetCurrentDirectory(TEXT("program\\setup"));
    bFound = FileExists(TEXT("SetCmpUp.exe"));
    if (!bFound)
      ErrorBox(TEXT("Impossibile trovare SetCmpUp.exe"));
  }
  if (bFound)
  {
    if (IsVistaOrLater())
      bFound = (int)::ShellExecute(NULL, TEXT("runas"), TEXT("SetCmpUp.exe"), NULL, NULL, SW_SHOWMAXIMIZED) > 32;
    else
      bFound = ::WinExec("SetCmpUp.exe", SW_SHOWMAXIMIZED) > 32;
    if (!bFound)
      ErrorBox(TEXT("Impossibile eseguire SetCmpUp.exe"));
  }

  return bFound ? 0 : 2;
}