What is an example of "this" assignment in C#?

Question

Does anybody have useful example of this assignment inside a C# method? I have been asked for it once during job interview, and I am still interested in answer myself.

Answer 1

The other answers are incorrect when they say you cannot assign to 'this'. True, you can't for a class type, but you can for a struct type:

public struct MyValueType
{
    public int Id;
    public void Swap(ref MyValueType other)
    {
        MyValueType temp = this;
        this = other;
        other = temp;
    }
}

At any point a struct can alter itself by assigning to 'this' like so.