progressmeter.mode

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mode

Type: one of the values below

A determinedprogressmeter is used in cases where you know how long an operation will take. An undeterminedprogressmeter can be used when you don't and will typically be drawn as a spinning barber pole.

determined

The progress meter uses its value attribute to determine the amount of the bar that is filled in.

undetermined

The progressmeter is indeterminate.