Addition Operator

DateTimeOffset.Addition Operator

Adds a specified time interval to a DateTimeOffset object that has a specified date and time, and yields a DateTimeOffset object that has new a date and time.

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

Public Shared Operator + ( _
	dateTimeOffset As DateTimeOffset, _
	timeSpan As TimeSpan _
) As DateTimeOffset


Type: System.DateTimeOffset
The object to add a time interval to.
Type: System.TimeSpan
The time interval to add.

Return Value

Type: System.DateTimeOffset
An object whose value is the sum of the values of dateTimeOffset and timeSpan.


The resulting DateTimeOffset value is less than MinValue.


The resulting DateTimeOffset value is greater than MaxValue.

The Addition method defines the addition operation for DateTimeOffset values. It enables code such as the following:

Dim date1 As New DateTimeOffset(#1/1/2008 1:32:45 PM#, _
             New TimeSpan(-5, 0, 0))
Dim interval1 As New TimeSpan(202, 3, 30, 0)
Dim interval2 As New TimeSpan(5, 0, 0, 0)
Dim date2 As DateTimeOffset

outputBlock.Text &= date1.ToString() & vbCrLf         ' Displays 1/1/2008 1:32:45 PM -05:00
date2 = date1 + interval1
outputBlock.Text &= date2.ToString() & vbCrLf         ' Displays 7/21/2008 5:02:45 PM -05:00
date2 += interval2
outputBlock.Text &= date2.ToString() & vbCrLf         ' Displays 7/26/2008 5:02:45 PM -05:00     

Languages that do not support custom operators and operator overloading can call the Add method instead.


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Community Additions

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