Class DateTimeOffsetExtensions

Extension methods for .

Inheritance
System.Object
DateTimeOffsetExtensions
Namespace: X10D.Time
Assembly: X10D.dll
Syntax
public static class DateTimeOffsetExtensions : object

Methods

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Age(DateTimeOffset)

Returns the rounded-down integer number of years since a given date as of today.

Declaration
public static int Age(this DateTimeOffset value)
Parameters
Type Name Description
DateTimeOffset value

The date from which to calculate.
Returns
Type Description
System.Int32

The rounded-down integer number of years since value as of today.
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Age(DateTimeOffset, DateTimeOffset)

Returns the rounded-down integer number of years since a given date as of another specified date.

Declaration
public static int Age(this DateTimeOffset value, DateTimeOffset referenceDate)
Parameters
Type Name Description
DateTimeOffset value

The date from which to calculate.
DateTimeOffset referenceDate

The date to use as the calculation reference.
Returns
Type Description
System.Int32

The rounded-down integer number of years since value as of the date specified by referenceDate.
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First(DateTimeOffset, DayOfWeek)

Gets a date representing the first occurence of a specified day of the week in the current month.

Declaration
public static DateTimeOffset First(this DateTimeOffset value, DayOfWeek dayOfWeek)
Parameters
Type Name Description
DateTimeOffset value

The current date.
DayOfWeek dayOfWeek

The day of the week.
Returns
Type Description
DateTimeOffset

A representing the first occurence of dayOfWeek.
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FirstDayOfMonth(DateTimeOffset)

Gets a date representing the first day of the current month.

Declaration
public static DateTimeOffset FirstDayOfMonth(this DateTimeOffset value)
Parameters
Type Name Description
DateTimeOffset value

The current date.
Returns
Type Description
DateTimeOffset

A representing the first day of the current month.
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GetIso8601WeekOfYear(DateTimeOffset)

Gets the ISO-8601 week number of the year for the current date.

Declaration
public static int GetIso8601WeekOfYear(this DateTimeOffset value)
Parameters
Type Name Description
DateTimeOffset value

The date whose week number to return.
Returns
Type Description
System.Int32

The ISO-8601 week number of the year.
Remarks

This implementation is directly inspired from a blog post . about this subject.

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IsLeapYear(DateTimeOffset)

Returns a value indicating whether the year represented by the current is a leap year.

Declaration
public static bool IsLeapYear(this DateTimeOffset value)
Parameters
Type Name Description
DateTimeOffset value

The date whose year to check.
Returns
Type Description
System.Boolean

true if the year represented by value is a leap year; otherwise, false.
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Last(DateTimeOffset, DayOfWeek)

Gets a date representing the final occurence of a specified day of the week in the current month.

Declaration
public static DateTimeOffset Last(this DateTimeOffset value, DayOfWeek dayOfWeek)
Parameters
Type Name Description
DateTimeOffset value

The current date.
DayOfWeek dayOfWeek

The day of the week.
Returns
Type Description
DateTimeOffset

A representing the final occurence of dayOfWeek.
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LastDayOfMonth(DateTimeOffset)

Gets a date representing the last day of the current month.

Declaration
public static DateTimeOffset LastDayOfMonth(this DateTimeOffset value)
Parameters
Type Name Description
DateTimeOffset value

The current date.
Returns
Type Description
DateTimeOffset

A representing the last day of the current month.
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Next(DateTimeOffset, DayOfWeek)

Gets a date representing the next occurence of a specified day of the week in the current month.

Declaration
public static DateTimeOffset Next(this DateTimeOffset value, DayOfWeek dayOfWeek)
Parameters
Type Name Description
DateTimeOffset value

The current date.
DayOfWeek dayOfWeek

The day of the week.
Returns
Type Description
DateTimeOffset

A representing the next occurence of dayOfWeek.