Conceptual and procedural information on designing form templates with InfoPath. To access Microsoft Office InfoPath Help, click the Help button in Microsoft InfoPath. When you are connected to the Internet, additional content and updated help topics are integrated into Help from the Microsoft Office Online Web site.
This Web site contains white papers, sample forms, tools, articles, and information about developing InfoPath form templates.
Microsoft SharePoint Server 2010 Software Developers Kit (SDK)
Conceptual, procedural, and programming information for developers working with InfoPath Forms Services that is included as part of Microsoft SharePoint Server 2010. For more information, see the SharePoint Developer Center.