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DateTime.FromFileTimeUtc Method

Converts the specified Windows file time to an equivalent UTC time.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)
'Declaration
Public Shared Function FromFileTimeUtc ( _
	fileTime As Long _
) As DateTime

Parameters

fileTime
Type: System.Int64
A Windows file time expressed in ticks.

Return Value

Type: System.DateTime
An object that represents the UTC time equivalent of the date and time represented by the fileTime parameter.
ExceptionCondition
ArgumentOutOfRangeException

fileTime is less than 0 or represents a time greater than DateTime.MaxValue.

A Windows file time is a 64-bit value that represents the number of 100-nanosecond intervals that have elapsed since 12:00 midnight, January 1, 1601 A.D. (C.E.) Coordinated Universal Time (UTC). Windows uses a file time to record when an application creates, accesses, or writes to a file.

The fileTime parameter specifies a file time expressed in 100-nanosecond ticks.

Starting with the .NET Framework version 2.0, the return value is a DateTime whose Kind property is Utc.

.NET Framework

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

.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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