总结：Sharepoint2010 Client Object Model Silverlight Client

Silverlight Client：

1. 添加引用， Add Reference：

　　　　Microsoft.SharePoint.Client.Silverlight.dll；

　　　　Microsoft.SharePoint.Client.Silverlight.Runtime.dll.

　　路径：C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\TEMPLATE\LAYOUTS\ClientBin；

2. code 与 Managed Client code 类似， 具体代码可以看：

SharePoint 2010 Silverlight Client Object Model - How to use