Struct WeekDay

A weekday with an optional ordinal, used in BYDAY recurrence rule parts (RFC 5545 §3.3.10). For example, MO is Monday with no ordinal; 1MO is the first Monday; -1FR is the last Friday.

Inherited Members
Namespace: DRIT.Mail.Rfc.ICal
Assembly: DRIT.Mail.dll
Syntax
public readonly struct WeekDay

Constructors

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WeekDay(DayOfWeek, int?)

Initializes a new instance of the WeekDay struct.

Declaration
public WeekDay(DayOfWeek day, int? ordinal)
Parameters
Type Name Description
DayOfWeek day

The day of week.
int? ordinal

The ordinal (1-based) or null for all occurrences.

Properties

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Day

Gets the day of week.

Declaration
public DayOfWeek Day { get; }
Property Value
Type Description
DayOfWeek
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Ordinal

Gets the ordinal (1-based, positive for first/second/...; negative for last/ second-to-last/...), or null to match every occurrence of the weekday.

Declaration
public int? Ordinal { get; }
Property Value
Type Description
int?

Methods

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FormatDayName(DayOfWeek)

Formats a DayOfWeek as a two-letter abbreviation.

Declaration
public static string FormatDayName(DayOfWeek day)
Parameters
Type Name Description
DayOfWeek day

Specifies the day value.
Returns
Type Description
string
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Parse(string)

Parses a BYDAY weekday token such as MO, 1MO, or -1FR.

Declaration
public static WeekDay Parse(string text)
Parameters
Type Name Description
string text

Specifies the text value.
Returns
Type Description
WeekDay
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ParseDayName(string)

Parses a two-letter day-of-week abbreviation (MO, TU, WE, TH, FR, SA, SU).

Declaration
public static DayOfWeek ParseDayName(string name)
Parameters
Type Name Description
string name

Specifies the name value.
Returns
Type Description
DayOfWeek
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ToString()

Formats this weekday for iCalendar serialization (e.g. MO, 1MO, -1FR).

Declaration
public override string ToString()
Returns
Type Description
string
Overrides