wrapper:
http://geckofx.org/
xulrunner (es v 1.9.1.x » FF3.5 ):
ftp://ftp.mozilla.org/pub/mozilla.org/xulrunner/releases/
In .net 4 aggiungere alle chiamate DllImport
DllImport("xpcom", CharSet = CharSet.Ansi)
DllImport("xpcom", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)