Question : In Outlook, Advanced Find - Search for Attachment name

Using Advanced Find in Outlook 2007, how can I search for a message which has an attachment of a specified name?

Answer : In Outlook, Advanced Find - Search for Attachment name

This can provide you help while working with Silverlight v4. I know this is not about gantt chart but it will lead you how you should write your code.

http://www.packtpub.com/article/working-dataform-microsoft-silverlight-4?sr

I this helps you fine, otherwise I won't take your more time.