Visual Studio 2013
The IVsSolutionPersistence type exposes the following members.
|LoadPackageUserOpts||Enables the loading of package-level user options that are stored in one or more named streams in the solution .sln file. This method allows the caller to name the option stream (or streams) to be loaded.|
|SavePackageSolutionProps||Writes properties to the solution .sln file.|
|SavePackageUserOpts||Writes user options to the solution file. Saves package-level user options to one or more named streams in the solution .sln file.|