With the 2.0 version of the current official release, we have plans to use ArcGIS API for Microsoft Silverlight-WPF do more practical petroleum industry applications can reference information Haishi little, especially combined with the full integration of the practical application of navigation queries or not, the current See the main or ArcGIS Resource Center, and the samples, the new release (The ArcGIS API for Microsoft Silverlight ??? / WPF ??? version 2.0 is now available. Version 2.0 was released July 2010 (build 314). version has been downloaded to use! Interactive Silverlight SDK has also been updated with, but there are problems downloading the compilation, also hope to solve!! the problems are JeffWilcox.SyntaxHighlighting this control, do not know what version of the control? come from? How can download? other expectations ArcGIS API R & D group for Microsoft Silverlight 2.0 applications can be out of a complete, integrated small applications all Interactive Silverlight SDK also make a ArcGIS Viewer for Silverlight2.0 of learning!!! thanks!!! also want to provide tutorials to explain some of use vs2010 ArcGIS API for Microsoft Silverlight2.0 integrated development environment instance!!