The SetTargetPath event notifies the installer to check and set the selected path. If the path is not valid to be written to, then the installer blocks further ControlEvents associated with the control.
This ControlEvent is published by the installer.
The name of the property containing the path. If the property is indirected, then the property name is enclosed in square brackets.
Action on Subscribers
Do not attempt to configure the target path if the components using those paths are already installed for the current user or for a different user. Check the ProductState property before publishing the SetTargetPath ControlEvent to determine if the product containing the component is installed.