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Allegro CL version 10.0
This page is new in 10.0.


Arguments: dialog-item

Returns whether Microsoft Visual Styles is disabled for a particular widget, identified by the dialog-item argument. (This widget property has no effect on non-Windows platforms.) The value may be set at creation time by passing the disable-visual-styles initarg, or any time later by calling (setf disable-visual-styles).

The value should be true to disable the usual Visual Styles effects for the widget, or nil to use Visual styles for it as usual. The default value is nil.

Visual Styles reflect the current theme that the user has chosen for their whole Windows environment. Sometimes this theme can override a property of a widget, such as its background-color. To stop that from happening, you can set the disable-visual-styles property of the widget to true, though this may result in a generally plainer style for that widget.

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This page is new in the 10.0 release.
Created 2019.8.20.

Allegro CL version 10.0
This page is new in 10.0.