Specifies the priority level of a document within a project.
Assembly: Microsoft.VisualStudio.Shell.Interop (in Microsoft.VisualStudio.Shell.Interop.dll)
File can be opened by the Miscellaneous Files project.
File can be added as a member of the project.
File can be opened by an external editor, for example, Microsoft Word.
File type is intrinsic to the project.
File is not a member of the project.
File can be opened by one of the editors registered with the environment.
File cannot be added to the project.