You can specify that a user can only click active network objects in the network. This is useful, for example, if you want to mark a network object that lies very close to other network objects of the same type which shall yet not be marked. In this case passive network objects are ignored.
1. On the toolbar, click the 
Click only active objects button.
The icon is activated. You cannot click passive network objects.
2. In the network, click the desired network objects (Marking network objects in the network).
Only active network objects are marked.
3. If you want to use all network objects, on the toolbar click the Click only active objects button again.
All network objects can be clicked.
