Why keyword 'this' cannot be used in a static method?

Question

Why can\'t the keyword this be used in a static method? I am wondering why C# defines this constraint. What benefits can be gained by this constraint?

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Answer 1

I'm pretty sure this isn't limited to C# and it isn't a constraint, it's a logical situation. As @Yuriy correctly states, this refers to the current instance of a class, i.e. you've used new (or DI) to instantiate the class (created an instance of) and you need some way internally to refer to that instance, i.e. this object. A static method is called without instantiating the class, there is, in effect, no object created and as such you can't access properties of which this is one.