Attributes are keywords that specify the characteristics of an interface and of the data and methods within that interface. The set of attributes that applies to a single construct is enclosed in square brackets ([ ])You can use the attributes categorized in the following topics, in an IDL file. For a complete description of the syntax and guidelines of an attribute, follow the link to the attribute's reference topic.
Aliasing and Marshaling Attributes
Array and Sized-Pointer Attributes
Structure and Union Attributes