gdk:toplevel-icon-list (object)

object -- a gdk:toplevel object
surfaces -- a list of textures to use as icon, of different sizes

Accessor of the icon-list slot of the gdk:toplevel class. The (setf gdk:toplevel-icon-list) function sets a list of icons for the surface. One of these will be used to represent the surface in iconic form. The icon may be shown in window lists or task bars. Which icon size is shown depends on the window manager. The window manager can scale the icon but setting several size icons can give better image quality.

Note that some platforms do not support surface icons.