require 'Win32API'
def Win32API::send_message( handle , msg , wp ,lp )
  Win32API.new( 'user32' , 'SendMessage' , %w(N N N P) , "N" ).
        Call( handle , msg , wp , lp )
end
        ##  WM_SETTINGCHANGE     = $001A;
        ##  WM_WININICHANGE     = $001A;
        ##  HWND_BROADCAST = $FFFF;
def Win32API::env_changed
##  send_message( 0xffff , 0x1a , 0 , "Environment" )
##                                    ��
  send_message( 0xffff , 0x1a , 0 , nil)
end
p "sending env_changed message to boradcast"
Win32API::env_changed
p "end of send"