ars_SetActiveLink(ctrl, name, activeLinkHash)activeLinkHash before calling this routine.
      name is the name of the active link.
      
activeLinkHash is a partially assigned
      Active Link Attributes hash. 
      
Example:
This example changes the name and execution mask of an existing active link.
      ($al = ars_GetActiveLink($c, "TEST:ActiveLink")) ||
	    die $ars_errstr;
      ars_SetActiveLink( $c, $al->{name}, {
        name        => $al->{name} . "(renamed)",
        executeMask => 1 + 16,    # button, display
      } ) || die $ars_errstr;
      
This function was introduced in version 1.90 of ARSperl