DateTime.FromFileTimeUtc(Int64) Method

Reference

Definition

Namespace:: System

Assembly:: System.Runtime.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: DateTime.cs

Source:: DateTime.cs

Source:: DateTime.cs

Important

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

public:
 static DateTime FromFileTimeUtc(long fileTime);

public static DateTime FromFileTimeUtc (long fileTime);

static member FromFileTimeUtc : int64 -> DateTime

Public Shared Function FromFileTimeUtc (fileTime As Long) As DateTime

Parameters

fileTime: Int64

A Windows file time expressed in ticks.

Returns

DateTime

An object that represents the UTC time equivalent of the date and time represented by the fileTime parameter.

Exceptions

ArgumentOutOfRangeException

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

Remarks

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.

Applies to

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