Support Board
Date/Time: Tue, 04 Nov 2025 08:56:27 +0000
[Programming Help] - ACSIL Help with resetting variables on symbol change.
View Count: 354
| [2024-02-16 19:27:58] |
| User92573 - Posts: 574 |
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Dear Support Board Can anyone provide some help with resetting variables on symbol change. I have the following: // Do Processing SCString SYM = sc.Symbol.GetChars(); SCString str_CURRENT_SYM; if(str_CURRENT_SYM != SYM) { // clear values } ..... etc. etc. { // code blocks } // last line before closing bracket str_CURRENT_SYM = SYM; But clearly I've got it wrong. Any help appreciated. Many thanks |
| [2024-02-17 04:20:01] |
| User43 - Posts: 102 |
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you need to make your str_CURRENT_SYM persistent in order to work as intended. currently your str_CURRENT_SYM will be a newly initialized on each bar, rendering your last line before closing bracket obsolete. see ACSIL Interface Members - Functions: Persistent Variable Functions |
| [2024-02-17 16:27:20] |
| User92573 - Posts: 574 |
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Thank you. Well I used int& and float& in the study for that very reason and completely forgot about the need for a PV with SCString. Great help thank you! |
| [2024-02-17 16:34:35] |
| User43 - Posts: 102 |
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Yeah, the non persistence of variables is a trap I get into myself often enough. Glad I got you on the right track. |
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