internal CompoundFileStorage(CompoundFile file, CompoundFileStorage parent, CompoundFile.DirectoryStorage entry, bool isRoot)
 {
     Parent = parent;
     _file  = file;
     _entry = entry;
     IsRoot = isRoot;
 }
 internal CompoundFileStream(CompoundFileStorage parent, CompoundFile.DirectoryEntry entry)
 {
     Parent  = parent;
     _entry  = entry;
     _stream = new MemoryStream();
 }