# 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