Typography Used by This Manual

The style of text, known as typography, helps you identify special words used in this manual. These words frequently show in specifications of syntax and examples of source code.

ExamplesInformation
ByRef, In, Rem, UInt32
Language keywords are shown with an initial upper-case letter, with the format shown in the example.
condition, #object, argument_list
Information that you supply is shown with an initial lower-case letter, with the format shown in the example.
name [ = value ]
In syntax specifications, items in brackets are optional. You can use the item, or ignore it.
{ While | Until }
In syntax specifications, braces and vertical bars show a necessary decision between two or more alternatives. You must use one, and only one, of the items.
[ In | Out ]
In syntax specifications, brackets and vertical bars show an optional decision between two or more alternatives. You can use one of the items, or none of the items.
parameter [ , parameter ]…
In syntax specifications, three dots show that the item before can be used as many times as necessary. In code examples, three dots are used where code was removed to make the example easier to read.