I am using geocortex essentials as a web mapping application which is mainly use Silverlight viewer one of my tasks is to write the last identify task to file, geocortex workflows are friendly with ArcGIS API for Silverlight and could use them , any thoughts ?
I have not done this myself but this msdn link might help you get started: Walkthrough: Office Programming (C# and Visual Basic)
Thanks Jennifer
you reply very much appreciated