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DateTimeOffset.Subtraction Operator

Subtracts a specified time interval from a specified date and time, and yields a new date and time.

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

public static DateTimeOffset operator -(
	DateTimeOffset dateTimeTz,
	TimeSpan timeSpan
)

Parameters

dateTimeTz
Type: System.DateTimeOffset

A DateTimeOffset object that represents a particular date and time.

timeSpan
Type: System.TimeSpan

A time interval.

Return Value

Type: System.DateTimeOffset
A DateTimeOffset object equal to the value of dateTimeTz minus timeSpan.

ExceptionCondition
ArgumentOutOfRangeException

The resulting DateTimeOffset value is less than MinValue or greater than MaxValue.

The Subtraction method defines the subtraction operation for DateTimeOffset objects. It enables code such as the following:

DateTimeOffset offsetDate = new DateTimeOffset(2007, 12, 3, 11, 30, 0, 
                               new TimeSpan(-8, 0, 0)); 
TimeSpan duration = new TimeSpan(7, 18, 0, 0);
Console.WriteLine(offsetDate - duration);  // Displays 11/25/2007 5:30:00 PM -08:00

Languages that do not support custom operators and operator overloading can call the DateTimeOffset.Subtract(TimeSpan) method instead.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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 SP1, 3.0 SP1, 2.0 SP1
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