Modifier Applies To Description
new Function members hides an inherited member with the same signature.
static All members does not operate on a specific instance of the class.
virtual Classes and function members only can be overridden by a derived class.
abstract Function members only A virtual member that defines the signature of the member, but doesn't provide an implementation.
override Function members only overrides an inherited virtual or abstract member.
sealed Classes overrides an inherited virtual member, but cannot be overridden by any classes that inherit from this class.
extern static [DllImport] methods only implemented externally, in a different language.