plzhelp with code

#1
i m total noob with afl but i have to get this thing working

what i m trying to do it

when i draw a line between 2 candlesticks on the chart i want it to calculate the nos of days between them and also the difference in between the high values of both the bars and display on the screen itself.

plz someone help with this code

thanx in advance
 

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