how do i use an animated progress bar

[jweinraub]

This is a progress bar that animates like during installations that use internet downloads with unknown download times, or similarly to how Windows starts up.

I have a process that does a background process, and whilst I have it say Initializing... I would like to have the progress bar "animate" there until the process is complete, then start up again and resume.

This way it won't seem to be frozen at a certain point even if it does say initializing. This process takes anywhere from 15 seconds to a minute so a long pause can be unnerving to my endusers.

Any help is appreciated.

Best regards,

jon