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Environment.UserName Property

Gets the user name of the person who is currently logged on to the Windows operating system.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

static member UserName : string

Property Value

Type: System.String
The user name of the person who is logged on to Windows.

You can use the UserName property to identify the user on the current thread, to the system and application for security or access purposes. It can also be used to customize a particular application for each user.

The domain account credentials for a user are formatted as the user's domain name, the '\' character, and user name. Use the UserDomainName property to obtain the user's domain name and the UserName property to obtain the user name. A user name is typically an abbreviated combination of the user's first and last names.

The following example displays the user name of the person who started the current thread.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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