... when you need to use DotNetNativeInterface native methods:
1. You want to access and use .Net Framework Class Library in your application.
2. You want to access and use 3rd party .Net Libraries in your application.
Competitive Advantages:
1. Access to .Net Framework Class Library.
2. No COM registration of .Net Libraries is required when deployed.
3. Allows any programming language to consume .Net libraries as if they were native code.