IconSize.lookup

bool lookup(gtk.types.IconSize size, out int width, out int height)

Obtains the pixel size of a semantic icon size size: #GTK_ICON_SIZE_MENU, #GTK_ICON_SIZE_BUTTON, etc. This function isn’t normally needed, [gtk.icon_theme.IconTheme.loadIcon] is the usual way to get an icon for rendering, then just look at the size of the rendered pixbuf. The rendered pixbuf may not even correspond to the width/height returned by [gtk.global.iconSizeLookup], because themes are free to render the pixbuf however they like, including changing the usual size.

Parameters

`size`	an icon size (#GtkIconSize)
`width`	location to store icon width
`height`	location to store icon height

Returns

true if size was a valid size