Progress Bar (GNU Octave (version 6.0.90))

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### 35.2 Progress Bar

: h = waitbar (frac)
: h = waitbar (frac, msg)
: h = waitbar (…, "createcancelbtn", fcn, …)
: h = waitbar (…, prop, val, …)
: waitbar (frac)
: waitbar (frac, h)
: waitbar (frac, h, msg)

  Return a handle h to a new progress indicator ("waitbar") object.

  The waitbar is filled to fraction frac which must be in the range [0, 1].

  The optional message msg is centered and displayed above the waitbar.

  A cancel button can be added to the bottom of the waitbar using the `"createcancelbtn"` property of waitbar figures. The action to be executed when the user presses the button is specified using a string or function handle fcn.

  The appearance of the waitbar figure window can be configured by passing prop/val pairs to the function.

  When called with a single input the current waitbar, if it exists, is updated to the new value frac. If there are multiple outstanding waitbars they can be updated individually by passing the handle h of the specific waitbar to modify.

  See also: delete.