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An object's virtual method table will contain the addresses of the object's dynamically bound methods. Method calls are performed by fetching the method's address from the object's virtual method table. The virtual method table is the same for all objects belonging to the same class, and is therefore typically shared between them.
A pure virtual function or pure virtual method is a virtual ... encountering a call to a pure virtual function at run time. In Java and C#, ... For example, if an ...
Like with fields, there can be class and instance properties. The underlying methods can be virtual or abstract like any other method. [82] Since C# 3.0 the syntactic sugar of auto-implemented properties is available, [86] where the accessor (getter) and mutator (setter) encapsulate operations on a single field of a class.
override - Specifies that a method or property declaration is an override of a virtual member or an implementation of a member of an abstract class. readonly - Declares a field that can only be assigned values as part of the declaration or in a constructor in the same class.
The overridden base method must be virtual, abstract, or override. In addition to the modifiers that are used for method overriding, C# allows the hiding of an inherited property or method. This is done using the same signature of a property or method but adding the modifier new in front of it. [6] In the above example, hiding causes the following:
ldvirtftn <method> Push address of virtual method on the stack. Object model instruction 0xDD leave <int32 (target)> Exit a protected region of code. Base instruction 0xDE leave.s <int8 (target)> Exit a protected region of code, short form. Base instruction 0xFE 0x0F localloc: Allocate space from the local memory pool. Base instruction 0xC6 ...
Overrides vs override - for marking a virtual method as overridden; Shared vs static - for declaring methods that do not require an explicit instance of an object; Some C# keywords such as sealed represent different things when applied to methods as opposed to when they are applied to class definitions. VB.NET, on the other hand, uses different ...
A method is a behavior of an object parametrized by a user. Data is represented as properties of the object, and behaviors are represented as methods. For example, a Window object could have methods such as open and close, while its state (whether it is open or closed at any given point in time) would be a property.