[This is preliminary documentation and subject to change.]
The Preselected Property indicates that features have already been selected and that the selection dialog need not be shown.
This property is set by the Installer during the resumption of a suspended install or when properties such as ADDLOCAL or REMOVE are used to select features at the command line.
Conditional expressions which depend on whether or not features are already installed use this value. For example, the property can be used to suppress any dialogs involving feature selections during the resumption of a suspended installation.
None.