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| Allegro CL version 9.0 Unrevised from 8.2 to 9.0. 8.2 version

## warn-on-insufficient-data

Arguments: chart-widget

Returns the value of the warn-on-insufficient-data property of a `chart-widget`. The value may be set at creation time by passing the `:warn-on-insufficient-data` initarg, or any time later by calling (setf warn-on-insufficient-data).

warn-on-insufficient-data is a boolean value indicating whether a warning is signaled when a `chart-widget` does not have adequate data for drawing itself. The default value is true.

It appears that this warning is currently signaled only if the range-top of a value-axis is not greater than its range-bottom, or if the major-tic-increment is negative.

See `chart-widget` and also cg-chart-widget.htm.

Copyright (c) 1998-2019, Franz Inc. Oakland, CA., USA. All rights reserved.
This page was not revised from the 8.2 page.
Created 2012.5.30.

|  | ToC | DocOverview | CGDoc | RelNotes | FAQ | Index | PermutedIndex
| Allegro CL version 9.0 Unrevised from 8.2 to 9.0. 8.2 version