DeactivateUIAddArgs are used to add a deactivation plugin to Author-it.
DeactivateUIAddArgs have the following properties:
PluginName
String. The name of the plugin. Must be unique.
PluginFolderPath
String. Do not set. Internal use only.
OnClick
Delegate. The method in the plugin which will be called after the user logs in to a library. This method will receive the AuthoritEventArgs.