TimeSpan.UnaryNegation(TimeSpan) Operatore

Definizione

Spazio dei nomi:
System
Assembly:
mscorlib.dll, System.Runtime.dll
Assembly:
netstandard.dll, System.Runtime.dll
Assembly:
System.Runtime.dll
Assembly:
mscorlib.dll
Assembly:
netstandard.dll
Origine:
TimeSpan.cs
Origine:
TimeSpan.cs
Origine:
TimeSpan.cs
Origine:
TimeSpan.cs
Origine:
TimeSpan.cs

Restituisce un TimeSpan oggetto il cui valore è il valore negato dell'istanza specificata.

public:
 static TimeSpan operator -(TimeSpan t);
public static TimeSpan operator -(TimeSpan t);
static member ( ~- ) : TimeSpan -> TimeSpan
Public Shared Operator - (t As TimeSpan) As TimeSpan

Parametri

t
TimeSpan

Intervallo di tempo da negare.

Valori restituiti

TimeSpan

Oggetto con lo stesso valore numerico di questa istanza, ma il segno opposto.

Eccezioni

OverflowException

Il valore negato di questa istanza non può essere rappresentato da un TimeSpanoggetto , ovvero il valore di questa istanza è TimeSpan.MinValue.

Esempio

Nell'esempio seguente l'operatore UnaryNegation viene applicato a diversi TimeSpan oggetti.

// Example of the TimeSpan.Duration( ) and TimeSpan.Negate( ) methods,
// and the TimeSpan Unary Negation and Unary Plus operators.
using System;

class DuraNegaUnaryDemo
{
    const string dataFmt = "{0,22}{1,22}{2,22}" ;

    static void ShowDurationNegate( TimeSpan interval )
    {
        // Display the TimeSpan value and the results of the 
        // Duration and Negate methods.
        Console.WriteLine( dataFmt, 
            interval, interval.Duration( ), interval.Negate( ) );
    }

    static void Main()
    {
        Console.WriteLine(
            "This example of TimeSpan.Duration( ), " +
            "TimeSpan.Negate( ), \nand the TimeSpan Unary " +
            "Negation and Unary Plus operators \n" +
            "generates the following output.\n" );
        Console.WriteLine( dataFmt, 
            "TimeSpan", "Duration( )", "Negate( )" );
        Console.WriteLine( dataFmt, 
            "--------", "-----------", "---------" );

        // Create TimeSpan objects and apply the Unary Negation
        // and Unary Plus operators to them.
        ShowDurationNegate( new TimeSpan( 1 ) );
        ShowDurationNegate( new TimeSpan( -1234567 ) );
        ShowDurationNegate( 
            + new TimeSpan( 0, 0, 10, -20, -30 ) );
        ShowDurationNegate( 
            + new TimeSpan( 0, -10, 20, -30, 40 ) );
        ShowDurationNegate( 
            - new TimeSpan( 1, 10, 20, 40, 160 ) );
        ShowDurationNegate( 
            - new TimeSpan( -10, -20, -30, -40, -50 ) );
    } 
} 

/*
This example of TimeSpan.Duration( ), TimeSpan.Negate( ),
and the TimeSpan Unary Negation and Unary Plus operators
generates the following output.

              TimeSpan           Duration( )             Negate( )
              --------           -----------             ---------
      00:00:00.0000001      00:00:00.0000001     -00:00:00.0000001
     -00:00:00.1234567      00:00:00.1234567      00:00:00.1234567
      00:09:39.9700000      00:09:39.9700000     -00:09:39.9700000
     -09:40:29.9600000      09:40:29.9600000      09:40:29.9600000
   -1.10:20:40.1600000    1.10:20:40.1600000    1.10:20:40.1600000
   10.20:30:40.0500000   10.20:30:40.0500000  -10.20:30:40.0500000
*/

// Example of the TimeSpan.Duration( ) and TimeSpan.Negate( ) methods,
// and the TimeSpan Unary Negation and Unary Plus operators.
open System

let showDurationNegate (interval: TimeSpan) =
    // Display the TimeSpan value and the results of the 
    // Duration and Negate methods.
    printfn $"{interval,22}{interval.Duration(),22}{interval.Negate(),22}"

printfn "This example of TimeSpan.Duration( ), TimeSpan.Negate( ), \nand the TimeSpan Unary Negation and Unary Plus operators \ngenerates the following output.\n" 
printfn "%22s%22s%22s" "TimeSpan" "Duration( )" "Negate( )"
printfn "%22s%22s%22s" "--------" "-----------" "---------"

// Create TimeSpan objects and apply the Unary Negation
// and Unary Plus operators to them.
showDurationNegate (TimeSpan 1)
showDurationNegate (TimeSpan -1234567)
showDurationNegate (+ TimeSpan(0, 0, 10, -20, -30) )
showDurationNegate (+ TimeSpan(0, -10, 20, -30, 40) )
showDurationNegate (- TimeSpan(1, 10, 20, 40, 160 ) )
showDurationNegate (- TimeSpan(-10, -20, -30, -40, -50) )

(*
This example of TimeSpan.Duration( ), TimeSpan.Negate( ),
and the TimeSpan Unary Negation and Unary Plus operators
generates the following output.

              TimeSpan           Duration( )             Negate( )
              --------           -----------             ---------
      00:00:00.0000001      00:00:00.0000001     -00:00:00.0000001
     -00:00:00.1234567      00:00:00.1234567      00:00:00.1234567
      00:09:39.9700000      00:09:39.9700000     -00:09:39.9700000
     -09:40:29.9600000      09:40:29.9600000      09:40:29.9600000
   -1.10:20:40.1600000    1.10:20:40.1600000    1.10:20:40.1600000
   10.20:30:40.0500000   10.20:30:40.0500000  -10.20:30:40.0500000
*)

' Example of the TimeSpan.Duration( ) and TimeSpan.Negate( ) methods,
' and the TimeSpan Unary Negation and Unary Plus operators.
Module DuraNegaUnaryDemo

    Const dataFmt As String = "{0,22}{1,22}{2,22}"

    Sub ShowDurationNegate( interval As TimeSpan )

        ' Display the TimeSpan value and the results of the 
        ' Duration and Negate methods.
        Console.WriteLine( dataFmt, _
            interval, interval.Duration( ), interval.Negate( ) )
    End Sub

    Sub Main( )

        Console.WriteLine( _
            "This example of TimeSpan.Duration( ), " & _
            "TimeSpan.Negate( ), " & vbCrLf & _
            "and the TimeSpan Unary Negation and " & _
            "Unary Plus operators " & vbCrLf & _
            "generates the following output." & vbCrLf )
        Console.WriteLine( dataFmt, _
            "TimeSpan", "Duration( )", "Negate( )" )    
        Console.WriteLine( dataFmt, _
            "--------", "-----------", "---------" )    

        ' Create TimeSpan objects and apply the Unary Negation
        ' and Unary Plus operators to them.
        ShowDurationNegate( new TimeSpan( 1 ) )
        ShowDurationNegate( new TimeSpan( -1234567 ) )
        ShowDurationNegate( TimeSpan.op_UnaryPlus( _
            new TimeSpan( 0, 0, 10, -20, -30 ) ) )
        ShowDurationNegate( TimeSpan.op_UnaryPlus( _
            new TimeSpan( 0, -10, 20, -30, 40 ) ) )
        ShowDurationNegate( TimeSpan.op_UnaryNegation( _
            new TimeSpan( 1, 10, 20, 40, 160 ) ) )
        ShowDurationNegate( TimeSpan.op_UnaryNegation( _
            new TimeSpan( -10, -20, -30, -40, -50 ) ) )
    End Sub 
End Module 

' This example of TimeSpan.Duration( ), TimeSpan.Negate( ),
' and the TimeSpan Unary Negation and Unary Plus operators
' generates the following output.
' 
'               TimeSpan           Duration( )             Negate( )
'               --------           -----------             ---------
'       00:00:00.0000001      00:00:00.0000001     -00:00:00.0000001
'      -00:00:00.1234567      00:00:00.1234567      00:00:00.1234567
'       00:09:39.9700000      00:09:39.9700000     -00:09:39.9700000
'      -09:40:29.9600000      09:40:29.9600000      09:40:29.9600000
'    -1.10:20:40.1600000    1.10:20:40.1600000    1.10:20:40.1600000
'    10.20:30:40.0500000   10.20:30:40.0500000  -10.20:30:40.0500000

Commenti

Il metodo equivalente per questo operatore è TimeSpan.Negate()

Si applica a