The property's value is true once a call to Connect() is successful. The value is false after a call to Disconnect().
Use this property to verify the client's state before calling methods that require to be connected or not connected.
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2