Introduction - If you have any usage issues, please Google them yourself
Use VC.NET write multi-threaded multi-tasking instance, when the user drags the minimized window system calls this function to obtain the cursor display. If you encounter is a multiple of 1000 sent a message to update the corresponding progress bar, time delay, notify the update progress bar, progress bar starts first worker thread, start a second progress bar worker threads, and reset the thread, the thread terminates and initializes the progress bar.