Update(self, int value, String newmsg=EmptyString) -> bool
Updates the dialog, setting the progress bar to the new value and, if
- given changes the message above it. Returns true unless the Cancel
- button has been pressed.
+ given changes the message above it. The value given should be less
+ than or equal to the maximum value given to the constructor and the
+ dialog is closed if it is equal to the maximum. Returns true unless
+ the Cancel button has been pressed.
If false is returned, the application can either immediately destroy
the dialog or ask the user for the confirmation and if the abort is