Please see the "options for commands" section of this manual for general information about the use of macros for configuration.
This defines the default icon you'd like used in the Add/Remove Applet. It causes the icon contents to be added to the "Icon" table and its key assigned to the ARPPRODUCTICON property.
You can also specify "product='Y'" on the "Icon" command.
Note that there are known Windows Installer bugs which may prevent display of the icon you choose under some circumstances.