Duration Structure

Represents a span of time. This is different from the .NET TimeSpan class in that it offers the same precision as the JulianDate type. It stores a number of days as an Int32 and a number of seconds as a Double.

Namespace: AGI.Foundation.Time
Assembly: AGI.Foundation.Core (in AGI.Foundation.Core.dll) Version: 25.1.421.0 (25.1.421.0)

Syntax

C++

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public struct Duration : IComparable<Duration>, 
	IComparable, IEquatable<Duration>, IEquatableEpsilon<Duration>

Public Structure Duration
	Implements IComparable(Of Duration), IComparable, 
	IEquatable(Of Duration), IEquatableEpsilon(Of Duration)

public value class Duration : IComparable<Duration>, 
	IComparable, IEquatable<Duration>, IEquatableEpsilon<Duration>

[<SealedAttribute>]
type Duration =  
    struct
        interface IComparable<Duration>
        interface IComparable
        interface IEquatable<Duration>
        interface IEquatableEpsilon<Duration>
    end

The Duration type exposes the following members.

Constructors

	Name	Description
	Duration(TimeSpan)	Initializes a new Duration from a TimeSpan. The time standard is not specified, so this Duration will match the time standard of anything it is added to or subtracted from.
	Duration(Int32, Double)	Initializes a new instance of Duration from a specified number of days and seconds. The time standard is not specified, so this Duration will match the time standard of anything it is added to or subtracted from.
	Duration(TimeSpan, TimeStandard)	Initializes a new Duration from a TimeSpan. It also specifies that the time is measured using the specified time standard.
	Duration(Int32, Double, TimeStandard)	Initializes a new instance of Duration from a specified number of days and seconds. It also specifies that the time is measured using the specified time standard.
	Duration(Int32, Int32, Int32, Double)	Initializes a new instance of Duration from a specified number of days, hours, minutes, and seconds. The time standard is not specified, so this Duration will match the time standard of anything it is added to or subtracted from.
	Duration(Int32, Int32, Int32, Double, TimeStandard)	Initializes a new instance of Duration from a specified number of days, hours, minutes, and seconds. It also specifies that the time is measured using the specified time standard.

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Properties

	Name	Description
	Days	Gets the day component of this Duration.
	MaxValue	Gets the largest possible value of a Duration.
	MinValue	Gets the smallest possible value of a Duration.
	Seconds	Gets the seconds component of this Duration. This is the number of seconds represented by this Duration in addition to the Days, so it will always be less than SecondsPerDay.
	Standard	Gets the time standard in which this Duration is measured.
	TotalDays	Gets the total number of whole and fractional days represented by this Duration.
	TotalSeconds	Gets the total number of seconds represented by this Duration, including the seconds that compose the days returned by the Days property.
	Zero	Gets a Duration of 0 days and seconds.

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Methods

	Name	Description
	Add	Adds the specified Duration to this instance.
	AddDays	Adds a specified number of days to this Duration and returns the new Duration.
	AddSeconds	Adds a specified number of seconds to this Duration and returns the new Duration.
	CompareTo(Duration)	Compares this instance with another instance of the same type.
	CompareTo(Object)	Compares this instance with another instance of the same type.
	Divide(Double)	Divides the Duration by a constant.
	Divide(Duration)	Divides the Duration by another Duration, yield a constant.
	Equals(Duration)	Returns if this Duration exactly equals another Duration, within the limits of floating point precision. To be considered equal, the Days and Standard properties must be identical (or one must be null) and the difference between the Seconds properties must be less than 1.0e-10.
	Equals(Object)	Returns if this Duration exactly equals another Duration, within the limits of floating point precision. To be considered equal, the Days and Standard properties must be identical (or one must be null) and the difference between the Seconds properties must be less than 1.0e-10. (Overrides ValueTypeEquals(Object).)
	EqualsEpsilon	Returns if this Duration is within epsilon seconds of the specified Duration. That is, in order for the Durations to be considered equal (and for this function to return ), the absolute value of the difference between them, in seconds, must be less than or equal to epsilon.
	FromDays(Double)	Returns a Duration that represents the specified number of days.
	FromDays(Double, TimeStandard)	Returns a Duration that represents the specified number of days using the specified time standard.
	FromHours(Double)	Returns a Duration that represents the specified number of hours.
	FromHours(Double, TimeStandard)	Returns a Duration that represents the specified number of hours using the specified time standard.
	FromMinutes(Double)	Returns a Duration that represents the specified number of minutes.
	FromMinutes(Double, TimeStandard)	Returns a Duration that represents the specified number of minutes using the specified time standard.
	FromSeconds(Double)	Returns a Duration that represents the specified number of seconds.
	FromSeconds(Double, TimeStandard)	Returns a Duration that represents the specified number of seconds using the specified time standard.
	GetHashCode	Returns a hash code for this instance, which is suitable for use in hashing algorithms and data structures like a hash table. (Overrides ValueTypeGetHashCode.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	HoursMinutesSecondsToSeconds	Converts the specified number of hours, minutes, and seconds to total duration in seconds.
	Multiply	Multiplies the Duration by a constant.
	Subtract	Subtracts the specified Duration from this instance.
	ToString	Returns the value of the Duration in Days:Seconds. (Overrides ValueTypeToString.)
	ToTimeSpan	Returns a TimeSpan equivalent to this Duration.

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Operators

	Name	Description
	Addition	Adds two specified Duration instances.
	Division(Duration, Duration)	Divides the Duration by another duration.
	Division(Duration, Double)	Divides the Duration by a constant.
	Equality	Returns if two Durations are exactly equal, within the limits of floating point precision. To be considered equal, the Days and Standard properties must be identical (or one must be null) and the difference between the Seconds properties must be less than 1.0e-10.
	GreaterThan	Returns if left is longer than right.
	GreaterThanOrEqual	Returns if left is longer than or exactly equal to right.
	Inequality	Returns if two Durations are NOT exactly equal, within the limits of floating point precision. To be considered equal, the Days and Standard properties must be identical (or one must be null) and the difference between the Seconds properties must be less than 1.0e-10.
	LessThan	Returns if left is shorter than right.
	LessThanOrEqual	Returns if left is shorter than or exactly equal to right.
	Multiply	Multiplies the Duration by a constant.
	Subtraction	Subtracts a specified Duration from another specified Duration.
	UnaryNegation	Inverts a specified Duration. For example, if the value represents a positive quantity of time, the returned Duration will be a negative quantity of time.

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Reference

AGI.Foundation.Time Namespace