Is it possible to query file indexing service using C#? Does file indexing service expose a database? If so what is the scheme of this database?
The thing is now called 'Windows Search'. Current version is 4.0. A special SDK exists and documentation is readily available in MSDN
So the answer is positive: yes, it it possible. Here's the page with more info.
来源：https://stackoverflow.com/questions/4131420/querying-windows-file-indexing-service-using-c-sharp