Struct Duration
Represents a fixed (and calendarindependent) length of time.
Since 2.1.x
Availability net45, netstandard1.3
Implements
IComparable
IXmlSerializable
IFormattable
ISerializable
Inherited Members
Object.Equals(Object, Object)
Object.ReferenceEquals(Object, Object)
Object.GetType()
Assembly: NodaTime.dll
Syntax
[Serializable]
public struct Duration : IEquatable<Duration>, IComparable<Duration>, IComparable, IXmlSerializable, IFormattable, ISerializable
Properties
BclCompatibleTicks
Gets the total number of ticks in the duration as a 64bit integer, truncating towards zero where necessary.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public long BclCompatibleTicks { get; }
Property Value
Type 
Description 
Int64 
The total number of ticks in the duration. 
Exceptions
Type 
Condition 
System.OverflowException 
The number of ticks cannot be represented a signed 64bit integer. 
See Also
Days
Gets the whole number of standard (24 hour) days within this duration. This is truncated towards zero;
for example, "1.75 days" and "1.75 days" would have results of 1 and 1 respectively.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
Property Value
Type 
Description 
Int32 
The whole number of days in the duration 
Epsilon
Gets a
Duration value equal to 1 nanosecond; the smallest amount by which an instant can vary.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration Epsilon { get; }
Property Value
Type 
Description 
Duration 
A duration representing 1 nanosecond. 
Hours
The hour component of this duration, in the range [23, 23], truncated towards zero.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public int Hours { get; }
Property Value
Type 
Description 
Int32 
The hour component of the duration, within the day. 
MaxValue
Gets the maximum value supported by
Duration.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration MaxValue { get; }
Property Value
Milliseconds
Gets the subsecond component of this duration, expressed in milliseconds, in the range [999, 999] and truncated towards zero.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public int Milliseconds { get; }
Property Value
Type 
Description 
Int32 
The subsecond component of the duration, in milliseconds. 
Minutes
The minute component of this duration, in the range [59, 59], truncated towards zero.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public int Minutes { get; }
Property Value
Type 
Description 
Int32 
The minute component of the duration, within the hour. 
MinValue
Gets the minimum (largest negative) value supported by
Duration.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration MinValue { get; }
Property Value
NanosecondOfDay
Gets the number of nanoseconds within the day of this duration. For negative durations, this
will be negative (or zero).
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public long NanosecondOfDay { get; }
Property Value
Type 
Description 
Int64 
The number of nanoseconds within the day of this duration. 
Seconds
Gets the second component of this duration, in the range [59, 59], truncated towards zero.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public int Seconds { get; }
Property Value
Type 
Description 
Int32 
The second component of the duration, within the minute. 
SubsecondNanoseconds
Gets the subsecond component of this duration, expressed in nanoseconds, in the range [999999999, 999999999].
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public int SubsecondNanoseconds { get; }
Property Value
Type 
Description 
Int32 
The subsecond component of the duration, in nanoseconds. 
SubsecondTicks
Gets the subsecond component of this duration, expressed in ticks, in the range [9999999, 9999999] and truncated towards zero.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public int SubsecondTicks { get; }
Property Value
Type 
Description 
Int32 
The subsecond component of the duration, in ticks. 
TotalDays
Gets the total number of days in this duration, as a System.Double.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public double TotalDays { get; }
Property Value
Type 
Description 
Double 
The total number of days in this duration. 
TotalHours
Gets the total number of hours in this duration, as a System.Double.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public double TotalHours { get; }
Property Value
Type 
Description 
Double 
The total number of hours in this duration. 
TotalMilliseconds
Gets the total number of milliseconds in this duration, as a System.Double.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public double TotalMilliseconds { get; }
Property Value
Type 
Description 
Double 
The total number of milliseconds in this duration. 
TotalMinutes
Gets the total number of minutes in this duration, as a System.Double.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public double TotalMinutes { get; }
Property Value
Type 
Description 
Double 
The total number of minutes in this duration. 
TotalNanoseconds
Gets the total number of nanoseconds in this duration, as a System.Double.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public double TotalNanoseconds { get; }
Property Value
Type 
Description 
Double 
This duration as a number of nanoseconds, represented as a Double . 
TotalSeconds
Gets the total number of seconds in this duration, as a System.Double.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public double TotalSeconds { get; }
Property Value
Type 
Description 
Double 
The total number of seconds in this duration. 
TotalTicks
Gets the total number of ticks in this duration, as a System.Double.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public double TotalTicks { get; }
Property Value
Type 
Description 
Double 
The total number of ticks in this duration. 
See Also
Zero
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration Zero { get; }
Property Value
Methods
Add(Duration, Duration)
Adds one duration to another. Friendly alternative to operator+()
.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration Add(Duration left, Duration right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Duration 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Duration 
A new Duration representing the sum of the given values. 
CompareTo(Duration)
Compares the current object with another object of the same type.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public int CompareTo(Duration other)
Parameters
Type 
Name 
Description 
Duration 
other 
An object to compare with this object. 
Returns
Type 
Description 
Int32 
A 32bit signed integer that indicates the relative order of the objects being compared.
The return value has the following meanings:
Value  Meaning 

< 0  This object is less than the other parameter.  0  This object is equal to other .  > 0  This object is greater than other . 

Divide(Duration, Duration)
Divides one duration by another. Friendly alternative to operator/()
.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static double Divide(Duration left, Duration right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Duration 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Double 
The System.Double representing the result of dividing left by
right . 
Divide(Duration, Double)
Divides a duration by a System.Double. Friendly alternative to operator/()
.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration Divide(Duration left, double right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Double 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Duration 
A new Duration representing the result of dividing left by
right . 
Divide(Duration, Int64)
Divides a duration by an System.Int64. Friendly alternative to operator/()
.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration Divide(Duration left, long right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Int64 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Duration 
A new Duration representing the result of dividing left by
right . 
Equals(Duration)
Indicates whether the current object is equal to another object of the same type.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public bool Equals(Duration other)
Parameters
Type 
Name 
Description 
Duration 
other 
An object to compare with this object. 
Returns
Type 
Description 
Boolean 
true if the current object is equal to the other parameter;
otherwise, false.

Equals(Object)
Determines whether the specified System.Object is equal to this instance.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public override bool Equals(object obj)
Parameters
Type 
Name 
Description 
Object 
obj 
The System.Object to compare with this instance. 
Returns
Type 
Description 
Boolean 
true if the specified System.Object is equal to this instance;
otherwise, false .

Overrides
System.ValueType.Equals(System.Object)
FromDays(Double)
Returns a
Duration that represents the given number of days, assuming a 'standard' 24hour
day.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration FromDays(double days)
Parameters
Type 
Name 
Description 
Double 
days 
The number of days. 
Returns
FromDays(Int32)
Returns a
Duration that represents the given number of days, assuming a 'standard' 24hour
day.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration FromDays(int days)
Parameters
Type 
Name 
Description 
Int32 
days 
The number of days. 
Returns
FromHours(Double)
Returns a
Duration that represents the given number of hours.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration FromHours(double hours)
Parameters
Type 
Name 
Description 
Double 
hours 
The number of hours. 
Returns
FromHours(Int32)
Returns a
Duration that represents the given number of hours.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration FromHours(int hours)
Parameters
Type 
Name 
Description 
Int32 
hours 
The number of hours. 
Returns
FromMilliseconds(Double)
Returns a
Duration that represents the given number of milliseconds.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration FromMilliseconds(double milliseconds)
Parameters
Type 
Name 
Description 
Double 
milliseconds 
The number of milliseconds. 
Returns
Type 
Description 
Duration 
A Duration representing the given number of milliseconds. 
FromMilliseconds(Int64)
Returns a
Duration that represents the given number of milliseconds.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration FromMilliseconds(long milliseconds)
Parameters
Type 
Name 
Description 
Int64 
milliseconds 
The number of milliseconds. 
Returns
Type 
Description 
Duration 
A Duration representing the given number of milliseconds. 
FromMinutes(Double)
Returns a
Duration that represents the given number of minutes.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration FromMinutes(double minutes)
Parameters
Type 
Name 
Description 
Double 
minutes 
The number of minutes. 
Returns
FromMinutes(Int64)
Returns a
Duration that represents the given number of minutes.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration FromMinutes(long minutes)
Parameters
Type 
Name 
Description 
Int64 
minutes 
The number of minutes. 
Returns
FromNanoseconds(Double)
Converts a number of nanoseconds expressed as a System.Double into a duration. Any fractional
parts of the value are truncated towards zero.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration FromNanoseconds(double nanoseconds)
Parameters
Type 
Name 
Description 
Double 
nanoseconds 
The number of nanoseconds to represent. 
Returns
Type 
Description 
Duration 
A duration with the given number of nanoseconds. 
FromNanoseconds(Int64)
Returns a
Duration that represents the given number of nanoseconds.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration FromNanoseconds(long nanoseconds)
Parameters
Type 
Name 
Description 
Int64 
nanoseconds 
The number of nanoseconds. 
Returns
Type 
Description 
Duration 
A Duration representing the given number of nanoseconds. 
FromNanoseconds(BigInteger)
Converts a number of nanoseconds expressed as a System.Numerics.BigInteger into a duration.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration FromNanoseconds(BigInteger nanoseconds)
Parameters
Type 
Name 
Description 
BigInteger 
nanoseconds 
The number of nanoseconds to represent. 
Returns
Type 
Description 
Duration 
A duration with the given number of nanoseconds. 
FromSeconds(Double)
Returns a
Duration that represents the given number of seconds.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration FromSeconds(double seconds)
Parameters
Type 
Name 
Description 
Double 
seconds 
The number of seconds. 
Returns
FromSeconds(Int64)
Returns a
Duration that represents the given number of seconds.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration FromSeconds(long seconds)
Parameters
Type 
Name 
Description 
Int64 
seconds 
The number of seconds. 
Returns
FromTicks(Double)
Returns a
Duration that represents the given number of ticks.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration FromTicks(double ticks)
Parameters
Type 
Name 
Description 
Double 
ticks 
The number of ticks. 
Returns
FromTicks(Int64)
Returns a
Duration that represents the given number of ticks.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration FromTicks(long ticks)
Parameters
Type 
Name 
Description 
Int64 
ticks 
The number of ticks. 
Returns
FromTimeSpan(TimeSpan)
Returns a
Duration that represents the same number of ticks as the
given
System.TimeSpan.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration FromTimeSpan(TimeSpan timeSpan)
Parameters
Type 
Name 
Description 
TimeSpan 
timeSpan 
The TimeSpan value to convert 
Returns
Type 
Description 
Duration 
A new Duration with the same number of ticks as the given TimeSpan. 
GetHashCode()
Returns a hash code for this instance.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public override int GetHashCode()
Returns
Type 
Description 
Int32 
A hash code for this instance, suitable for use in hashing algorithms and data
structures like a hash table.

Overrides
System.ValueType.GetHashCode()
Minus(Duration)
Returns the result of subtracting another duration from this one, for a fluent alternative to operator()
.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public Duration Minus(Duration other)
Parameters
Type 
Name 
Description 
Duration 
other 
The duration to subtract 
Returns
Type 
Description 
Duration 
A new Duration representing the result of the subtraction. 
Multiply(Duration, Double)
Multiplies a duration by a number. Friendly alternative to operator*()
.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration Multiply(Duration left, double right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Double 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Duration 
A new Duration representing the product of the given values. 
Multiply(Duration, Int64)
Multiplies a duration by a number. Friendly alternative to operator*()
.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration Multiply(Duration left, long right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Int64 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Duration 
A new Duration representing the product of the given values. 
Multiply(Int64, Duration)
Multiplies a duration by a number. Friendly alternative to operator*()
.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration Multiply(long left, Duration right)
Parameters
Type 
Name 
Description 
Int64 
left 
The left hand side of the operator. 
Duration 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Duration 
A new Duration representing the product of the given values. 
Negate(Duration)
Implements a friendly alternative to the unary negation operator.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration Negate(Duration duration)
Parameters
Type 
Name 
Description 
Duration 
duration 
Duration to negate 
Returns
Type 
Description 
Duration 
The negative value of this duration 
Plus(Duration)
Returns the result of adding another duration to this one, for a fluent alternative to operator+()
.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public Duration Plus(Duration other)
Parameters
Type 
Name 
Description 
Duration 
other 
The duration to add 
Returns
Type 
Description 
Duration 
A new Duration representing the result of the addition. 
Subtract(Duration, Duration)
Subtracts one duration from another. Friendly alternative to operator()
.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration Subtract(Duration left, Duration right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Duration 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Duration 
A new Duration representing the difference of the given values. 
ToBigIntegerNanoseconds()
Conversion to a System.Numerics.BigInteger number of nanoseconds, as a convenient builtin numeric
type which can always represent values in the range we need.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public BigInteger ToBigIntegerNanoseconds()
Returns
Type 
Description 
BigInteger 
This duration as a number of nanoseconds, represented as a BigInteger . 
ToInt64Nanoseconds()
Conversion to an System.Int64 number of nanoseconds. This will fail if the number of nanoseconds is
out of the range of Int64
, which is approximately 292 years (positive or negative).
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public long ToInt64Nanoseconds()
Returns
Type 
Description 
Int64 
This duration as a number of nanoseconds, represented as an Int64 . 
Exceptions
Type 
Condition 
System.OverflowException 
The number of nanoseconds is outside the representable range. 
ToString()
Returns a System.String that represents this instance.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public override string ToString()
Returns
Type 
Description 
String 
The value of the current instance in the default format pattern ("o"), using the current thread's
culture to obtain a format provider.

Overrides
System.ValueType.ToString()
Formats the value of the current instance using the specified pattern.
Since 1.2.x
Availability net45, netstandard1.3
Declaration
public string ToString(string patternText, IFormatProvider formatProvider)
Parameters
Type 
Name 
Description 
String 
patternText 
The System.String specifying the pattern to use,
or null to use the default format pattern ("o").

IFormatProvider 
formatProvider 
The System.IFormatProvider to use when formatting the value,
or null to use the current thread's culture to obtain a format provider.

Returns
Type 
Description 
String 
A System.String containing the value of the current instance in the specified format.

ToTimeSpan()
Returns a
System.TimeSpan that represents the same number of ticks as this
Duration.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public TimeSpan ToTimeSpan()
Returns
Type 
Description 
TimeSpan 
A new TimeSpan with the same number of ticks as this Duration. 
Exceptions
Type 
Condition 
System.OverflowException 
The number of ticks cannot be represented a signed 64bit integer. 
Operators
Addition(Duration, Duration)
Implements the operator + (addition).
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration operator +(Duration left, Duration right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Duration 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Duration 
A new Duration representing the sum of the given values. 
Division(Duration, Duration)
Implements the operator / (division) to divide one duration by another.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static double operator /(Duration left, Duration right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Duration 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Double 
The System.Double representing the result of dividing left by
right . 
Division(Duration, Double)
Implements the operator / (division) to divide a duration by a System.Double.
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration operator /(Duration left, double right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Double 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Duration 
A new Duration representing the result of dividing left by
right . 
Division(Duration, Int64)
Implements the operator / (division) to divide a duration by an System.Int64.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration operator /(Duration left, long right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Int64 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Duration 
A new Duration representing the result of dividing left by
right . 
Equality(Duration, Duration)
Implements the operator == (equality).
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static bool operator ==(Duration left, Duration right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Duration 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Boolean 
true if values are equal to each other, otherwise false . 
GreaterThan(Duration, Duration)
Implements the operator > (greater than).
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static bool operator>(Duration left, Duration right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Duration 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Boolean 
true if the left value is greater than the right value, otherwise false . 
GreaterThanOrEqual(Duration, Duration)
Implements the operator >= (greater than or equal).
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static bool operator >=(Duration left, Duration right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Duration 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Boolean 
true if the left value is greater than or equal to the right value, otherwise false . 
Inequality(Duration, Duration)
Implements the operator != (inequality).
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static bool operator !=(Duration left, Duration right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Duration 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Boolean 
true if values are not equal to each other, otherwise false . 
LessThan(Duration, Duration)
Implements the operator < (less than).
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static bool operator <(Duration left, Duration right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Duration 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Boolean 
true if the left value is less than the right value, otherwise false . 
LessThanOrEqual(Duration, Duration)
Implements the operator <= (less than or equal).
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static bool operator <=(Duration left, Duration right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Duration 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Boolean 
true if the left value is less than or equal to the right value, otherwise false . 
Multiply(Duration, Double)
Implements the operator * (multiplication).
Since 2.0.x
Availability net45, netstandard1.3
Declaration
public static Duration operator *(Duration left, double right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Double 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Duration 
A new Duration representing the result of multiplying left by
right . 
Multiply(Duration, Int64)
Implements the operator * (multiplication).
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration operator *(Duration left, long right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Int64 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Duration 
A new Duration representing the result of multiplying left by
right . 
Multiply(Int64, Duration)
Implements the operator * (multiplication).
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration operator *(long left, Duration right)
Parameters
Type 
Name 
Description 
Int64 
left 
The left hand side of the operator. 
Duration 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Duration 
A new Duration representing the result of multiplying left by
right . 
Subtraction(Duration, Duration)
Implements the operator  (subtraction).
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration operator (Duration left, Duration right)
Parameters
Type 
Name 
Description 
Duration 
left 
The left hand side of the operator. 
Duration 
right 
The right hand side of the operator. 
Returns
Type 
Description 
Duration 
A new Duration representing the difference of the given values. 
UnaryNegation(Duration)
Implements the unary negation operator.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
public static Duration operator (Duration duration)
Parameters
Type 
Name 
Description 
Duration 
duration 
Duration to negate 
Returns
Type 
Description 
Duration 
The negative value of this duration 
Explicit Interface Implementations
IComparable.CompareTo(Object)
Implementation of System.IComparable.CompareTo(System.Object) to compare two offsets.
Since 2.1.x
Availability net45, netstandard1.3
Declaration
int IComparable.CompareTo(object obj)
Parameters
Type 
Name 
Description 
Object 
obj 
The object to compare this value with. 
Returns
Type 
Description 
Int32 
The result of comparing this instant with another one; see CompareTo(Duration) for general details.
If obj is null, this method returns a value greater than 0.

Exceptions
Type 
Condition 
ArgumentException 
obj is nonnull but does not refer to an instance of Duration. 
ISerializable.GetObjectData(SerializationInfo, StreamingContext)
Implementation of System.Runtime.Serialization.ISerializable.GetObjectData(System.Runtime.Serialization.SerializationInfo, System.Runtime.Serialization.StreamingContext).
Since 1.2.x
Availability net45
Declaration
[SecurityCritical]
void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
Parameters
Type 
Name 
Description 
SerializationInfo 
info 
The System.Runtime.Serialization.SerializationInfo to populate with data. 
StreamingContext 
context 
The destination for this serialization. 
Exceptions
Type 
Condition 
ArgumentNullException 
info is null. 
IXmlSerializable.GetSchema()
Since 1.2.x
Availability net45, netstandard1.3
Declaration
XmlSchema IXmlSerializable.GetSchema()
Returns
Type 
Description 
XmlSchema 

IXmlSerializable.ReadXml(XmlReader)
Since 1.2.x
Availability net45, netstandard1.3
Declaration
void IXmlSerializable.ReadXml(XmlReader reader)
Parameters
Type 
Name 
Description 
XmlReader 
reader 

Exceptions
Type 
Condition 
ArgumentNullException 
reader is null. 
IXmlSerializable.WriteXml(XmlWriter)
Since 1.2.x
Availability net45, netstandard1.3
Declaration
void IXmlSerializable.WriteXml(XmlWriter writer)
Parameters
Type 
Name 
Description 
XmlWriter 
writer 

Exceptions
Type 
Condition 
ArgumentNullException 
writer is null. 
Implements
System.IEquatable<T>
System.IComparable<T>
System.IComparable
System.Xml.Serialization.IXmlSerializable
System.IFormattable
System.Runtime.Serialization.ISerializable