HINSTANCE hShell32 = ::LoadLibrary("shell32.dll"); if(hShell32) { typedef int (WINAPI *RestartDialog)(HWND hwndOwner,LPCSTR lpstrReason,UINT uFlags); RestartDialog SHRestartWindowsDialog =(RestartDialog)GetProcAddress(hShell32, MAKEINTRESOURCE(59)); if(SHRestartWindowsDialog) { (SHRestartWindowsDialog)(GetDesktopWindow(),NULL,EWX_REBOOT); } }