TimeSpan.Zero Alan

Tanım

Ad Alanı:

System

Bütünleştirilmiş Kod:

System.Runtime.dll

Source:

TimeSpan.cs

Sıfır TimeSpan değerini temsil eder. Bu alan salt okunur durumdadır.

public: static initonly TimeSpan Zero;

public static readonly TimeSpan Zero;

 staticval mutable Zero : TimeSpan

Public Shared ReadOnly Zero As TimeSpan 

Alan Değeri

TimeSpan

Örnekler

Aşağıdaki örnek, alanın değerine Zero başvurur ve değerini görüntüler.

// Example of the TimeSpan fields.
using namespace System;

// Pad the end of a TimeSpan string with spaces if it does not 
// contain milliseconds.
String^ Align( TimeSpan interval )
{
   String^ intervalStr = interval.ToString();
   int pointIndex = intervalStr->IndexOf( ':' );
   pointIndex = intervalStr->IndexOf( '.', pointIndex );
   if ( pointIndex < 0 )
      intervalStr = String::Concat( intervalStr, "        " );

   return intervalStr;
}

int main()
{
   String^ numberFmt = "{0,-22}{1,18:N0}";
   String^ timeFmt = "{0,-22}{1,26}";
   Console::WriteLine( "This example of the fields of the TimeSpan class"
   "\ngenerates the following output.\n" );
   Console::WriteLine( numberFmt, "Field", "Value" );
   Console::WriteLine( numberFmt, "-----", "-----" );
   
   // Display the maximum, minimum, and zero TimeSpan values.
   Console::WriteLine( timeFmt, "Maximum TimeSpan", Align( TimeSpan::MaxValue ) );
   Console::WriteLine( timeFmt, "Minimum TimeSpan", Align( TimeSpan::MinValue ) );
   Console::WriteLine( timeFmt, "Zero TimeSpan", Align( TimeSpan::Zero ) );
   Console::WriteLine();
   
   // Display the ticks-per-time-unit fields.
   Console::WriteLine( numberFmt, "Ticks per day", TimeSpan::TicksPerDay );
   Console::WriteLine( numberFmt, "Ticks per hour", TimeSpan::TicksPerHour );
   Console::WriteLine( numberFmt, "Ticks per minute", TimeSpan::TicksPerMinute );
   Console::WriteLine( numberFmt, "Ticks per second", TimeSpan::TicksPerSecond );
   Console::WriteLine( numberFmt, "Ticks per millisecond", TimeSpan::TicksPerMillisecond );
}

/*
This example of the fields of the TimeSpan class
generates the following output.

Field                              Value
-----                              -----
Maximum TimeSpan       10675199.02:48:05.4775807
Minimum TimeSpan      -10675199.02:48:05.4775808
Zero TimeSpan                   00:00:00

Ticks per day            864,000,000,000
Ticks per hour            36,000,000,000
Ticks per minute             600,000,000
Ticks per second              10,000,000
Ticks per millisecond             10,000
*/

// Example of the TimeSpan fields.
using System;

class TimeSpanFieldsDemo
{
    // Pad the end of a TimeSpan string with spaces if it does not 
    // contain milliseconds.
    static string Align( TimeSpan interval )
    {
        string  intervalStr = interval.ToString( );
        int     pointIndex = intervalStr.IndexOf( ':' );

        pointIndex = intervalStr.IndexOf( '.', pointIndex );
        if( pointIndex < 0 ) intervalStr += "        ";
        return intervalStr;
    } 

    static void Main( )
    {
        const string numberFmt = "{0,-22}{1,18:N0}" ;
        const string timeFmt = "{0,-22}{1,26}" ;

        Console.WriteLine( 
            "This example of the fields of the TimeSpan class" +
            "\ngenerates the following output.\n" );
        Console.WriteLine( numberFmt, "Field", "Value" );
        Console.WriteLine( numberFmt, "-----", "-----" );

        // Display the maximum, minimum, and zero TimeSpan values.
        Console.WriteLine( timeFmt, "Maximum TimeSpan", 
            Align( TimeSpan.MaxValue ) );
        Console.WriteLine( timeFmt, "Minimum TimeSpan", 
            Align( TimeSpan.MinValue ) );
        Console.WriteLine( timeFmt, "Zero TimeSpan", 
            Align( TimeSpan.Zero ) );
        Console.WriteLine( );

        // Display the ticks-per-time-unit fields.
        Console.WriteLine( numberFmt, "Ticks per day", 
            TimeSpan.TicksPerDay );
        Console.WriteLine( numberFmt, "Ticks per hour", 
            TimeSpan.TicksPerHour );
        Console.WriteLine( numberFmt, "Ticks per minute", 
            TimeSpan.TicksPerMinute );
        Console.WriteLine( numberFmt, "Ticks per second", 
            TimeSpan.TicksPerSecond );
        Console.WriteLine( numberFmt, "Ticks per millisecond", 
            TimeSpan.TicksPerMillisecond );
    }
} 

/*
This example of the fields of the TimeSpan class
generates the following output.

Field                              Value
-----                              -----
Maximum TimeSpan       10675199.02:48:05.4775807
Minimum TimeSpan      -10675199.02:48:05.4775808
Zero TimeSpan                   00:00:00

Ticks per day            864,000,000,000
Ticks per hour            36,000,000,000
Ticks per minute             600,000,000
Ticks per second              10,000,000
Ticks per millisecond             10,000
*/

// Example of the TimeSpan fields.
open System

// Pad the end of a TimeSpan string with spaces if it does not 
// contain milliseconds.
let align (interval: TimeSpan) =
    let intervalStr = string interval
    let pointIndex = intervalStr.IndexOf ':'

    let pointIndex = intervalStr.IndexOf('.', pointIndex)
    if pointIndex < 0 then intervalStr + "        "
    else intervalStr


printfn "This example of the fields of the TimeSpan class\ngenerates the following output.\n"
printfn "%-22s%18s" "Field" "Value"
printfn "%-22s%18s" "-----" "-----"

// Display the maximum, minimum, and zero TimeSpan values.
printfn $"""{"Maximum TimeSpan",-22}{align TimeSpan.MaxValue,26}"""
printfn $"""{"Minimum TimeSpan",-22}{align TimeSpan.MinValue,26}"""
printfn $"""{"Zero TimeSpan",-22}{align TimeSpan.Zero,26}
"""

// Display the ticks-per-time-unit fields.
printfn $"""{"Ticks per day",-22}{TimeSpan.TicksPerDay,18:N0}"""
printfn $"""{"Ticks per hour",-22}{TimeSpan.TicksPerHour,18:N0}""" 
printfn $"""{"Ticks per minute",-22}{TimeSpan.TicksPerMinute,18:N0}""" 
printfn $"""{"Ticks per second",-22}{TimeSpan.TicksPerSecond,18:N0}""" 
printfn $"""{"Ticks per millisecond",-22}{TimeSpan.TicksPerMillisecond,18:N0}""" 

(*
This example of the fields of the TimeSpan class
generates the following output.

Field                              Value
-----                              -----
Maximum TimeSpan       10675199.02:48:05.4775807
Minimum TimeSpan      -10675199.02:48:05.4775808
Zero TimeSpan                   00:00:00

Ticks per day            864,000,000,000
Ticks per hour            36,000,000,000
Ticks per minute             600,000,000
Ticks per second              10,000,000
Ticks per millisecond             10,000
*)

' Example of the TimeSpan fields.
Module TimeSpanFieldsDemo
    
    ' Pad the end of a TimeSpan string with spaces if it does not 
    ' contain milliseconds.
    Function Align( interval As TimeSpan ) As String

        Dim intervalStr As String = interval.ToString( )
        Dim pointIndex  As Integer = intervalStr.IndexOf( ":"c )

        pointIndex = intervalStr.IndexOf( "."c, pointIndex )
        If pointIndex < 0 Then intervalStr &= "        "
        Align = intervalStr
    End Function
    
    Sub Main( )

        Const numberFmt As String = "{0,-22}{1,18:N0}"
        Const timeFmt As String = "{0,-22}{1,26}"

        Console.WriteLine( _
            "This example of the fields of the TimeSpan class" & _
            vbCrLf & "generates the following output." & vbCrLf )
        Console.WriteLine( numberFmt, "Field", "Value" )
        Console.WriteLine( numberFmt, "-----", "-----" )

        ' Display the maximum, minimum, and zero TimeSpan values.
        Console.WriteLine( timeFmt, "Maximum TimeSpan", _
            Align( TimeSpan.MaxValue ) )
        Console.WriteLine( timeFmt, "Minimum TimeSpan", _
            Align( TimeSpan.MinValue ) )
        Console.WriteLine( timeFmt, "Zero TimeSpan", _
            Align( TimeSpan.Zero ) )
        Console.WriteLine( )

        ' Display the ticks-per-time-unit fields.
        Console.WriteLine( numberFmt, "Ticks per day", _
            TimeSpan.TicksPerDay )
        Console.WriteLine( numberFmt, "Ticks per hour", _
            TimeSpan.TicksPerHour )
        Console.WriteLine( numberFmt, "Ticks per minute", _
            TimeSpan.TicksPerMinute )
        Console.WriteLine( numberFmt, "Ticks per second", _
            TimeSpan.TicksPerSecond )
        Console.WriteLine( numberFmt, "Ticks per millisecond", _
            TimeSpan.TicksPerMillisecond )
    End Sub 
End Module 

' This example of the fields of the TimeSpan class
' generates the following output.
' 
' Field                              Value
' -----                              -----
' Maximum TimeSpan       10675199.02:48:05.4775807
' Minimum TimeSpan      -10675199.02:48:05.4775808
' Zero TimeSpan                   00:00:00
' 
' Ticks per day            864,000,000,000
' Ticks per hour            36,000,000,000
' Ticks per minute             600,000,000
' Ticks per second              10,000,000
' Ticks per millisecond             10,000

Açıklamalar

Alanın değeri sıfır saat değerini Zero temsil eden bir TimeSpan nesne olduğundan, ikincisinin pozitif, sıfır olmayan veya negatif zaman aralıklarını temsil edip etmediğini belirlemek için diğer TimeSpan nesnelerle karşılaştırabilirsiniz. Bu alanı, bir TimeSpan nesneyi sıfır saat değerine başlatmak için de kullanabilirsiniz.