The WMS Connection name.
|IName (esriSystem)||Provides access to members that work with Name objects.|
|IWMSConnectionName||Provides access to members that supply WMS server connection name information.|
WMSConnectionName provides all the information that is required to connect to a given WMS service. To connect to a WMS service you need to provide a WMS connection URL. The connection URL should be provided by the WMS service provider.