Can security code be apply into custom indicator ?

Can custom indicator be
1) Password protection code ?
2) Trial period protection ?
3) Limited account number protection ?
4) Limited account type protection ?
instead of EA being lock, if can, can anyone please teach or guide me what is the complete code ?
Attach is a sample of indicator, please help me add in the code in the sample indicator. Thanks Everyone.... =^_^=

look here about password set up or trial versions.. do search on ff about account limits

http://www.forex-tsd.com/indicators-...indicator.html

thanks twj1usa, will look into it =^_^=