Non-static variable this cannon be referenced from static context
1816
Non-static variable cannot be referenced from a static context
7935
CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
30424
What does it mean to have an undefined reference to a static member?
156112
Use of "this" keyword in formal parameters for static methods in C#
136954
static variable in the class declaration or definition?
41286
Static variables in JavaScript
68506
How does one access a control from a static method?
21567
`static` keyword inside function?
121471
Reference type still needs pass by ref?
131864
Member '' cannot be accessed with an instance reference
11951
Should I use properties or direct reference when accessing instance variables internally?
104585
How to refer to the outer class in another instance of a non-static inner class?
15836
Cannot refer to a non-final variable inside an inner class defined in a different method
7553
Java: cannot access static variable from a different class in the same package
132542
c++ calling a non static function from a static function
50304
Static vs non-static class members
45188
How do I pass a variable by reference?