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Saturday, September 02, 2006

Understanding Enumerations

An enumeration is a special type in the .NET Framework that is comprised of a number of named constants. While you might not have created an enumeration type yourself, you have likely used enumerations many times in day-to-day programming. For example, each item in an ASP.NET DataGrid has an ItemType property, which is of type ListItemType. ListItemType is an enumeration with values like Header, Item, AlternatingItem, Footer, and others. Too, if you've created files with the System.IO.File class you've used the FileMode and FileAccess enumerations; if you have worked with regular expressions, you've likely used the RegexOptions enumeration. Continue from 4Guys.

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