ProtectedRangeCollection Properties

A collection of items which associate worksheet ranges and security information required to unlock them for editing.

Name	Description
Count	Gets the number of elements contained in the ICollection. Inherited from ICollection.
IsSynchronized	Gets a value indicating whether access to the ICollection is synchronized (thread safe). Inherited from ICollection.
SyncRoot	Gets an object that can be used to synchronize access to the ICollection. Inherited from ICollection.