This dialog is displayed when the Properties option is chosen with a pin or track on a sub net selected.
It shows you the details of the sub net that the selected item belongs to.
Shortcuts
Default Keys: I or Alt+Enter
Default Menu: Edit
Command: Properties
Locating this option
Available from: Edit menu > Properties option
Available from: Context menu > Properties option
Available from: Shortcut key > I
Using this dialog
This dialog presents you with non-editable information about the selected Sub Net. To edit the Sub Net you should use the Sub Nets dialog within the Technology.