Connector Class

public void GetElementAtConnector(Autodesk.Revit.DB.Connector connector)
{
    MEPSystem mepSystem = connector.MEPSystem;
    if (null != mepSystem)
    {
        string message = "Connector is owned by: " + connector.Owner.Name;

        if (connector.IsConnected == true)
        {
            ConnectorSet connectorSet = connector.AllRefs;
            ConnectorSetIterator csi = connectorSet.ForwardIterator();
            while (csi.MoveNext())
            {
                Connector connected = csi.Current as Connector;
                if (null != connected)
                {
                    // look for physical connections
                    if (connected.ConnectorType == ConnectorType.End ||
                        connected.ConnectorType == ConnectorType.Curve ||
                        connected.ConnectorType == ConnectorType.Physical)
                    {
                        message += "\nConnector is connected to: " + connected.Owner.Name;
                        message += "\nConnection type is: " + connected.ConnectorType;
                    }
                }
            }
        }
        else
        {
            message += "\nConnector is not connected to anything.";
        }

        Autodesk.Revit.UI.TaskDialog.Show("Revit", message);            
    }
}

Public Sub GetElementAtConnector(connector As Autodesk.Revit.DB.Connector)
    Dim mepSystem As MEPSystem = connector.MEPSystem
    If mepSystem IsNot Nothing Then
        Dim message As String = "Connector is owned by: " + connector.Owner.Name

        If connector.IsConnected = True Then
            Dim connectorSet As ConnectorSet = connector.AllRefs
            Dim csi As ConnectorSetIterator = connectorSet.ForwardIterator()
            While csi.MoveNext()
                Dim connected As Connector = TryCast(csi.Current, Connector)
                If connected IsNot Nothing Then
                    ' look for physical connections
                    If connected.ConnectorType = ConnectorType.[End] OrElse connected.ConnectorType = ConnectorType.Curve OrElse connected.ConnectorType = ConnectorType.Physical Then
                        message += vbLf & "Connector is connected to: " + connected.Owner.Name
                        message += vbLf & "Connection type is: " + connected.ConnectorType
                    End If
                End If
            End While
        Else
            message += vbLf & "Connector is not connected to anything."
        End If

        UI.TaskDialog.Show("Revit", message)
    End If
End Sub

No code example is currently available or this language may not be supported.

No code example is currently available or this language may not be supported.