Item(String) Property
The Item property of the SPUserCollection class gets the user object with the specified user name from the collection.
[C#] In C#, this property is an indexer for the SPUserCollection class.
Parameters
loginName A string that contains the user name.
Property Value
A Microsoft.SharePoint.SPUser object that represents the user.
Requirements
Platforms: Microsoft Windows Server 2003
Security: Code Access Security