close-image-list

Arguments: image-list

Closes an image-list so that it is no longer usable unless it is re-opened by calling open-image-list. It is not expected that applications will normally need to call this function, but it may be useful to call this for image-lists which are not currently needed in order to save space or Windows resources if a large number of image-lists are used over time.

Common Graphics will automatically re-open a closed image-list whenever it is assigned to a list-view control, such as by calling (setf small-image-list). But care should be taken never to close an image-list which is currently in use by a list-view control. See the description of the list-view control.

See list-view.

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Created 2019.8.20.