Bollinger Bands - Program Code

 
Hello every one, my compliments to the Programmers and supporting staff of the MT4 application, wow!
Where can I locate the program code for the Bollinger Band indicator other than at
c:\Program Files\MetaTrader 4\experts\Samples\indicators\Bands.mq4 Thanks in advance
 
we've promised to expose all the our indicators in mq4 codes. coming soon little by little