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DateTime.Subtract Method (DateTime)

Updated: May 2010

Subtracts the specified date and time from this instance.

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

public function Subtract(
	value : DateTime
) : TimeSpan

Parameters

value
Type: System.DateTime

An instance of DateTime.

Return Value

Type: System.TimeSpan
A TimeSpan interval equal to the date and time represented by this instance minus the date and time represented by value.

ExceptionCondition
ArgumentOutOfRangeException

The result is less than DateTime.MinValue or greater than DateTime.MaxValue.

If the date and time of the current instance is earlier than value, the method returns a TimeSpan object that represents a negative time span. That is, the value of all of its non-zero properties (such as Days or Ticks) is negative.

The Subtract(DateTime) method does not consider the value of the Kind property of the two DateTime values when performing the subtraction. Before subtracting DateTime objects, ensure that the objects represent times in the same time zone. Otherwise, the result will include the difference between time zones.

NoteNote:

The DateTimeOffset.Subtract(DateTimeOffset) method does consider the difference between time zones when performing the subtraction.

The following example demonstrates the Subtract method and the subtraction operator.

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

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

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

.NET Framework

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

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

Date

History

Reason

May 2010

Expanded the Remarks section.

Content bug fix.

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