The STGFMT enumeration values specify the format of a storage object and are used in the StgCreateStorageEx and StgOpenStorageEx functions in the STGFMT parameter.
public enum STGFMT
Indicates that the system will determine the file type and use the appropriate structured storage or property set implementation.
Indicates that the file must be a compound file and is similar to the STGFMT_STORAGE flag, but indicates that the compound-file form of the compound-file implementation must be used.
Indicates that the file must not be a compound file.
Indicates that the file must be a compound file.