icon

Arguments: window &optional smallp

Returns (or sets with setf) the icon that is used to represent window. The value must be an icon handle (a non-negative integer), which is either the value of one of the built-in icons such as error-icon, a handle returned by calling extract-icon-from-file or create-icon-handle at runtime, or nil to use the default icon of the executable file (which is the Franz icon in the development lisp).

When the icon is set to one of the built-in icons, both the large and small versions of the icon are set with one call, regardless of the value of smallp (a single handle is used for both sizes). Otherwise, a true   smallp indicates the 16 by 16 version of the icon and a null smallp indicates the 32 by 32 version of the icon. A window's titlebar uses the small version. The ALT-TAB window for switching between applications uses the large version by default (for top-level non-owned windows only).

See cg-icons.htm.

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This page was not revised from the 10.0 page.
Created 2019.8.20.