installShield document

http://www.cnblogs.com/Cindy_weiwei/archive/2009/05/18/1459542.html

http://gaodi2002.blog.163.com/blog/static/232076820063435220/

http://blog.csdn.net/FireElement/article/details/2496981

http://support.installshield.com/kb/files/Q104870/Serial.c

http://www.installsite.org/pages/en/isp_ui.htm

http://www.indigorose.com/webhelp/sufwi/HowTo/Add_a_Serial_Number_Validation_Screen_to_Your_Project.htm

http://www.advancedinstaller.com/user-guide/serial-number-validation-dll.html

http://lijm20085.blog.163.com/blog/static/814504762012101121053602/