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What is the use of ref for reference-type variables in C#? Without ref, the reference is passed by value, and this doesn't happen C# also has the 'out' keyword which is a lot like ref, except that with 'ref', arguments must be initialized before calling the method, and with 'out' you must assign a value in the receiving method
vuejs3 - ref vs reactive in Vue 3? - Stack Overflow In Summary ref() seems like the way to go since it supports all object types and allows reassigning with value ref() is a good place to start, but as you get used to the API, know that reactive() has less overhead, and you may find it better meets your needs ref() Use-Case
React 19 ref as prop and TypeScript - Stack Overflow Yes, I am aware, and if you take a look at my answer you will see that I am passing ref as a prop, as per OP requested My answer shows how to migrate a forwardRef component to the new style
Why use the ref keyword when passing an object? By using the ref keyword with reference types you are effectively passing a reference to the reference In many ways it's the same as using the out keyword but with the minor difference that there's no guarantee that the method will actually assign anything to the ref 'ed parameter
When to use in vs ref vs out - Stack Overflow out and ref parameters are marshaled differently when dealing with interop code Also, as an aside, it's important to note that while reference types and value types differ in the nature of their value, every variable in your application points to a location of memory that holds a value, even for reference types
Pass by Reference in C# - Stack Overflow As others have said, you should use the ref modifier at both the call site and the method declaration to indicate that you want to use by-reference semantics However, you should understand how by-value and by-reference semantics interact with the "value type" vs "reference type" model of NET I have two articles on this: Parameter passing in C# Reference types and value types