Writing of an Expert Advisor with one indicator

BUY CONDITION

TAKE 4 BUY ORDERS AT ONCE  (CREATE A MENU TO CHANGE THE NUMBER OF BUY ORDER  TO TAKE  TO TAKE WITH TP) WHEN A FRESH BUY SIGNAL APPEARS.

EXAMPLE 

OPEN FIRST BUY ORDER WITH 100 PIPS TP

OPEN SECOND BUY ORDER WITH 200 PIPS TP

OPEN THIRD BUY ORDER WITH 300 TP

OPEN FOURTH BUY ORDER WITH 400 PIPS TP

CLOSE OPEN BUY ORDER WHEN THE TRADE REACH IT TP OR WHEN THE SIGNAL CHANGE TO WAIT OR SELL.

SELL CONDITIONS

TAKE 4 SELL ORDER AT ONCE AT ONCE 

EXAMPLE

OPEN FIRST SELL ORDER WITH 100 TP

OPEN SECOND SELL ORDER WITH 200 TP

OPEN THIRS SELL ORDER WITH 300 TP

OPEN FOURTH SELL ORDER WITH 400 PIPS TP

CLOSE OPEN SELL ORDER WHEN THE TRADE REACH IT TP OR WHEN THE SIGNAL CHNAGE TO WAIT OR BUY