    # File lib/chef/provider/env/windows.rb, line 66
            def broadcast_env_change
              result = 0
              flags = SMTO_BLOCK | SMTO_ABORTIFHUNG | SMTO_NOTIMEOUTIFNOTHUNG
              @send_message ||= Win32API.new('user32', 'SendMessageTimeout', 'LLLPLLP', 'L')
              @send_message.call(HWND_BROADCAST, WM_SETTINGCHANGE, 0, 'Environment', flags, 5000, result)
            end