Support Board
Date/Time: Fri, 29 Nov 2024 22:41:54 +0000
[Programming Help] - How to know if the user changed an input value
View Count: 322
| [2023-01-12 19:42:13] |
| ycomp - Posts: 321 |
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is there any way to know if the user changed an input value? user open studies settings and changes a value or to know at least that the dialog was opened and some settings were potentially changed? for example I would like to calculate something based on the value of an input, I could do this once initially using a persistent variable that sets to 1 if study settings have been initialized, but - what if someone then changes some study input's value? this persistent "init" variable would still be set to 1 so it won't execute that code again even though the input has changed. |
| [2023-01-12 21:46:52] |
| User183724 - Posts: 183 |
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if you set (or read) the value initially and later check the value, if its different, its been changed... if its the same as the intial value, it hasn't
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| [2023-01-12 22:04:44] |
| User183724 - Posts: 183 |
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you'd need an if statement... if(var == intial value) { perform this code if intial value hasn't changed... } else { either skip over this or perform this code } Date Time Of Last Edit: 2023-01-13 00:05:59
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