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What does () => mean in C#?

Hi Everybody,

This is my first question in stackoverflow.

I have encounter something as

() => SomeClass.SomeMethod(param1, param2)

This is entirely new to me and I cannot fathom what it is, what we call it, what it does,

how it works etc.

What I am looking for is an explanation for the same with a simple example which can be

understandable easily and I can implement it in my program. It will be nice if I can get

the real time scenario for this implementation.

I am using C#3.0 with dotnet framework 3.5.

Many thanks in advance.

Answer 1

Lambdas page on MSDN is quite helpful with the syntax.

And yes, ()=>GetSomething() is an expression lambda that takes no parameters and returns something. The other lambda flavour is a statement lambda, which is an anonymous function that does not return anything – i.e. a void function.

Both can take any number of parameters, including none.