https://www.infopathdev.com:443/blogs/mel_balsamo/archive/2009/06/12/how-to-make-an-infopath-control-read-only-after-signing-with-the-electronic-signature-template-part.aspxElectronic Signatures allow you to add signatures to your solutions without the hassle of setting up digital certificates. Qdabra packaged the Electronic Signature template part so that you can reuse it in all of your forms. This blog post describes QdabraenCommunityServer 2007 SP3 (Build: 31118.962)