When overridden in a derived class, should add the message index (ordinal message number or UID) specified as string, to the collection.

When overridden in a derived class, should add the specified range of message numbers or UIDs to the collection.

Adds the specified sequence of message numbers or UIDs to the collection.

Removes all objects from the CollectionBase instance. This method cannot be overridden.

Determines whether the specified object is equal to the current object.

Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.

Returns an enumerator that iterates through the CollectionBase instance.

Serves as the default hash function.

Gets the Type of the current instance.

This member is not intended to be used directly from your code.

Creates a shallow copy of the current Object.

Performs additional custom processes when clearing the contents of the CollectionBase instance.

Performs additional custom processes after clearing the contents of the CollectionBase instance.

Performs additional custom processes before inserting a new element into the CollectionBase instance.

Performs additional custom processes after inserting a new element into the CollectionBase instance.

Performs additional custom processes when removing an element from the CollectionBase instance.

Performs additional custom processes after removing an element from the CollectionBase instance.

Performs additional custom processes before setting a value in the CollectionBase instance.

Performs additional custom processes after setting a value in the CollectionBase instance.

Performs additional custom processes when validating a value.

Removes the element at the specified index of the CollectionBase instance. This method is not overridable.

Returns the message sequence as a string in IMAP4 format.