Add

Adds the specified DateStyle object to this collection.

Contains

Determines whether this collection contains the specified DateStyle instance.

CopyTo

Copies the elements of the DateStyleCollection to another collection, starting from a particular index.

IndexOf

Returns the zero-based index of the first occurrence of a DateStyle object in this collection.

Insert

Inserts the specified DateStyle object at the specified position within the collection.

Remove

Removes the first occurrence of the specified DateStyle object from this collection.