PStat

PStat is a programming component that can be integrated into software applications to facilitate a generalized framework for making long calculations in a thread. It's ideal for MFC developers who want just one of their functions to run in a separate thread with the help of another, single and straightforward function.
During the calculation, the tool shows a progress bar. However, it can be canceled if the end user wants to get it out of the way. The programming component is free for both personal and commercial purposes. In addition to the source code, the downloaded package includes a sample application that demonstrates what can be done with PStat.
The demo consists of a window with two buttons for calculating a large prime number by taking PStat into account and by excluding it. Optionally, you can permit the progress bar to appear on the screen if you want to receive feedback in real-time. This window with the progress bar can be canceled. Confirmation for canceling can be either enabled or disabled, depending on your preference.
The demo is accompanied by the VC 2010 workspace file that gives you the possibility to put together a small dialog-based application that can calculate the 1,000,000th prime number, with and without PStat.