Public Shared Sub GetServerInfo( _
   ByRef state As OpcServerState, _
   ByRef instanceCount As Integer, _
   ByRef groupCount As Integer() _
) 

public static void GetServerInfo( 
   out OpcServerState state,
   out int instanceCount,
   out int[] groupCount
)

Parameters

state

Current server status

instanceCount

current number of server instances ( connected clients)

groupCount

Array with the current number of groups for each currently existing server instance (connected client).

Target Platforms: Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows 7, Windows Server 2008 family

Reference