WebAug 25, 2016 · The problem you are having in your foreach is that structs are value types, and as a result, the loop iteration variable isn't actually a reference to the struct in the list, but rather a copy of the struct. My guess would be the compiler is forbidding you change it because it most likely would not do what you expect it to anyway. WebDec 28, 2024 · Initially, I decided to use a foreach statement. However that resulted in a Can’t modify members because it is a ‘foreach iteration variable’ exception. Which …
Iteration statements -for, foreach, do, and while
WebDec 20, 2013 · 2. In the body of the loop. foreach ( RCNESW rcnesw in shiftersave ) the loop variable rcnesw is read-only, but exactly what that means depends heavily on whether RCNESW is a reference type (class type, interface type, delegate type, array type) or a value type (struct type, enum type). If RCNESW is a reference type, the only thing that … WebApr 21, 2024 · Solution 1. You cannot modify the loop variable within the foreach loop body at all: C#. foreach ( string strLineDup in sList2.Split ( '\n' )) // vbNewLine)) { ... strLineDup = Strings.LTrim (strLineDup); VB allows this, but C# does not. The simplest solution is to create a temporary variable inside the loop and modify that instead. how do you spell schwinn bicycle
Can’t modify members because it is a foreach iteration variable, use a
WebMar 14, 2012 · The iteration variable corresponds to a read-only local variable with a scope that extends over the embedded statement. (Importantly, although it's a single read-only variable, its value changes between iterations. In C# 5 this will be changed so that it's effectively a "new" variable on each iteration. WebJan 17, 2014 · A compile-time error occurs if the embedded statement attempts to modify the iteration variable (by assignment or the ++ and -- operators) or pass the iteration variable as a ref or out parameter. Share Improve this answer Follow edited Jan 17, 2014 at 4:23 answered Jan 17, 2014 at 4:18 Ehsan 31.4k 6 55 64 Add a comment WebMar 21, 2013 · A compile-time error occurs if the embedded statement attempts to modify the iteration variable (via assignment or the ++ and -- operators) or pass the iteration variable as a ref or out parameter. None of this means that using a mutable variable is a good idea - and it also doesn't mean that your ForEach loop will do what you want it to. how do you spell schoolwork