The icons on the desktop in addition to functioning as a shortcut / link to run a program or file documents, but also will provide its own beauty to the user when it is set properly. Not on Windows before, in Windows Vista we can enlarge and reduce the size of the icons in a very short.
The trick is simply by pressing the CTRL key on the keyboard, then long pressing CTRL, turn the mouse scroll forward or backward to reduce or enlarge the size of the icon. Very briefly, is not it? This method can also be used in Windows Explorer to set the icon size, and can also be used in the browser Internet Explorer, Firefox and Opera to zoom in and zoom out pages.
Hopefully this info is useful.