Fetch Result Timeout

Regardless of the value that I set for Timeout in FPPoolQuery_FetchResult(), the timeout occurs every 50 seconds (assuming the query takes longer than 50 seonds). I have tried 120000 (2 minutes), 300000 (5 minutes), and 600000 (10 minutes) with no difference. The minimum and maximum timeout (per the API Reference Guide) is 120000 and 600000, respectively.

Does anyone know why FPPoolQuery is ignoring the timeout argument in FPPoolQuery_FetchResult()?

SDK: 3.1.544 (due to running on Win2003 server)