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Since Attributes are really just Metadata attached to assemblies, does that mean that Attribute Objects are only created on request (such as when you call GetCustomAttributes)?
Or are they created on creation of the object?
Or, a combination of the first 2, created when the object is created due to attribute scanning by the CLR?
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An attribute object is usually contained in Entry objects. An attribute is a named object with associated values. Each value in the attribute corresponds to a Java object of some type. Attribute names are not case-sensitive, and cannot contain a slash ( / ) as part of the name.
Variables that belong to an object are usually called attributes, but you might also see them called “fields”.
An instance/object attribute is a variable that belongs to one (and only one) object. Every instance of a class points to its own attributes variables. These attributes are defined within the __init__ constructor.
From CLR via C#, third edition:
If you want to construct an attribute object, you must call either
GetCustomAttributesorGetCustomAttribute. Every time one of these methods is called, it constructs new instances of the specified attribute type and sets each of the instance’s fields and properties based on the values specified in the source code. These methods return references to fully constructed instances of the applied attribute classes.
So yes, they are only created on request.
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