4.5. Fields
Fields maintain the state of an object. Chapter 7 discusses the data types that are allowed for fields. The following field usage guidelines are taken from the Visual Studio help file:
Do not use instance fields that are public or protected. If you avoid exposing fields directly to the developer, classes can be versioned more easily because a field cannot be changed to a property while maintaining binary compatibility. Consider providing get and set property accessors for fields instead of making them public. The presence of executable code in get and set property accessors allows later improvements, such as creation of an object on demand, upon usage of the property, or upon a property change notification. The following code example ...
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