How can I add capability to my EA to close all the open positions and DO NOTHING in specific circumstances

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All of EA's that I have worked with open ie. long position and when condition changes close the open position and goes for short position right a way. There is always another condition that EA should close all the open positions and simply do NOTHING. Can you guide me how can I add this capability to my codes?

[Ubzen]

Stop using stop & reverse logic. You can tell it to Buy when X=true/1 and Sell when X=false/-1. Personally, I like to use integers instead of Bool for my Trigger. You can also do things like set the Trigger to 0 when closing orders.