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Qprogressdialog not updating

The QProgress Dialog class provides feedback on the progress of a slow operation.

If the current value falls outside the new range, the progress dialog is reset with reset(). This method is also a Qt slot with the C signature . The progress dialog resizes itself as required, so you should not need to call this yourself.

There are two ways of using QProgress Dialog: modal and modeless.

Compared to a modeless QProgress Dialog, a modal QProgress Dialog is simpler to use for the programmer.

Progress starts at the value set by set Minimum(), and the progress dialog shows that the operation has finished when you call set Value() with the value set by set Maximum() as its argument.