pixmap-use-handle

Arguments: pixmap-interface

Returns (or sets with setf) whether the pixmap that is used by a picture-button, static-picture, or individual button of a multi-picture-button will use a handle to a device-dependent pixmap. When this property is changed, either open-pixmap-handle or close-pixmap-handle is called internally on the pixmap of the object that was passed in to establish whether it uses a pixmap handle.

pixmap-use-handle is a property of the button-info, picture-button, and static-picture classes.

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Created 2019.8.20.