Hi aleksey, it is a bug. see my message at BUG: CTRL+S misbehaviour Thread #
1121615 Message #
1121615I send it to you, but never got a reply from you.
Walter,
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? inkey(0),"<",inkey(0),"<",inkey(0),"<",inkey(0),"<"
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>>What I experience is that the first press of CTRL+S gives no reaction on screen, the second press shows TWO times the inkey value 19, the third press shows no reaction and the fourth press again shows TWO times the inkey value 19.
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>>Can you explain this?
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>
>In this scenario Ctrl-S is used as an indicator to stop scrolling of streaming output.