Add an extra FeatureHolder to the set of FeatureHolders which are merged.

Check if the feature is present in this holder.

Count how many features are contained.

Create a new IFeature, and add it to this IFeatureHolder. This method will generally only work on ISequences, and on some IFeatures which have been attached to ISequences.

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

Allows an Object to attempt to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection.

Called the first time a ChangeSupport object is needed.

Called to retrieve the ChangeSupport for this object.

Serves as a hash function for a particular type.

Gets the Type of the current instance.

A particular ChangeType can never be raised by this Changeable.

Creates a shallow copy of the current Object.

Remove a feature from this FeatureHolder.

Returns a String that represents the current Object.