Adds a user option key name into the list of option keys.
Assembly: Microsoft.VisualStudio.Shell.10.0 (in Microsoft.VisualStudio.Shell.10.0.dll)
The method adds a user option key name into the list of option keys that the package stores in the solution file. To save package data in a solution file, perform the following tasks:
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.