There is a metrics available in 10.7 for .NET and JAVA Licenses.
(.*)\|Custom Metric Process \(Virtual\)\|Custom Metric Agent \(Virtual\) \ Enterprise Manager\|Licensing\|Java Agent Count:Licenseable Count
(.*)\|Custom Metric Process \(Virtual\)\|Custom Metric Agent \(Virtual\) \ Enterprise Manager\|Licensing\|.NET Agent Count:Licenseable Count
I think you have to collect .NET agent information manually because in my environment .NET agent count is showing zero