A Brief Look at Sandboxed Solution Restrictions
As stated earlier, only a restricted subset of the SharePoint object model is available to sandboxed solutions. These restrictions reduce the risk of badly written custom code from destabilizing the farm. The allowed subset of the object model includes
• Microsoft.SharePoint
namespace, except SPSite
constructor, SPSecurity
object, SPWorkItem
and SPWorkItemCollection
, SPAlertCollection.Add
, SPAlertTemplateCollection.Add
, SPUserSolution
and SPUserSolutionCollection
, and SPTransformUtilities
• Microsoft.SharePoint.Navigation
namespace
• Microsoft.SharePoint.Utilities
namespace, except SPUtility.SendEmail
and SPUtility.GetNTFullNameandEmailFromLogin
• Microsoft.SharePoint.Workflow
namespace
• Microsoft.SharePoint.WebPartPages ...
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