TimeSpan.FromDays Méthode
Définition
Important
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Surcharges
FromDays(Double) |
Retourne un TimeSpan qui représente un nombre de jours spécifié, dont la spécification est précise à la milliseconde près. |
FromDays(Int32) | |
FromDays(Int32, Int32, Int64, Int64, Int64, Int64) |
FromDays(Double)
- Source:
- TimeSpan.cs
- Source:
- TimeSpan.cs
- Source:
- TimeSpan.cs
Retourne un TimeSpan qui représente un nombre de jours spécifié, dont la spécification est précise à la milliseconde près.
public:
static TimeSpan FromDays(double value);
public static TimeSpan FromDays (double value);
static member FromDays : double -> TimeSpan
Public Shared Function FromDays (value As Double) As TimeSpan
Paramètres
- value
- Double
Nombre de jours, précis à la milliseconde près.
Retours
Objet qui représente value
.
Exceptions
value
est inférieur à TimeSpan.MinValue ou supérieur à TimeSpan.MaxValue.
-ou-
value
a la valeur PositiveInfinity.
-ou-
value
a la valeur NegativeInfinity.
value
est égal à NaN.
Exemples
L’exemple suivant crée plusieurs TimeSpan objets à l’aide de la FromDays méthode .
// Example of the TimeSpan::FromDays( double ) method.
using namespace System;
void GenTimeSpanFromDays( double days )
{
// Create a TimeSpan object and TimeSpan string from
// a number of days.
TimeSpan interval = TimeSpan::FromDays( days );
String^ timeInterval = interval.ToString();
// Pad the end of the TimeSpan string with spaces if it
// does not contain milliseconds.
int pIndex = timeInterval->IndexOf( ':' );
pIndex = timeInterval->IndexOf( '.', pIndex );
if ( pIndex < 0 )
timeInterval = String::Concat( timeInterval, " " );
Console::WriteLine( "{0,21}{1,26}", days, timeInterval );
}
int main()
{
Console::WriteLine( "This example of TimeSpan::FromDays( double )\n"
"generates the following output.\n" );
Console::WriteLine( "{0,21}{1,18}", "FromDays", "TimeSpan" );
Console::WriteLine( "{0,21}{1,18}", "--------", "--------" );
GenTimeSpanFromDays( 0.000000006 );
GenTimeSpanFromDays( 0.000000017 );
GenTimeSpanFromDays( 0.000123456 );
GenTimeSpanFromDays( 1.234567898 );
GenTimeSpanFromDays( 12345.678987654 );
GenTimeSpanFromDays( 0.000011574 );
GenTimeSpanFromDays( 0.000694444 );
GenTimeSpanFromDays( 0.041666666 );
GenTimeSpanFromDays( 1 );
GenTimeSpanFromDays( 20.84745602 );
}
/*
This example of TimeSpan::FromDays( double )
generates the following output.
FromDays TimeSpan
-------- --------
6E-09 00:00:00.0010000
1.7E-08 00:00:00.0010000
0.000123456 00:00:10.6670000
1.234567898 1.05:37:46.6660000
12345.678987654 12345.16:17:44.5330000
1.1574E-05 00:00:01
0.000694444 00:01:00
0.041666666 01:00:00
1 1.00:00:00
20.84745602 20.20:20:20.2000000
*/
// Example of the TimeSpan.FromDays( double ) method.
using System;
class FromDaysDemo
{
static void GenTimeSpanFromDays( double days )
{
// Create a TimeSpan object and TimeSpan string from
// a number of days.
TimeSpan interval = TimeSpan.FromDays( days );
string timeInterval = interval.ToString( );
// Pad the end of the TimeSpan string with spaces if it
// does not contain milliseconds.
int pIndex = timeInterval.IndexOf( ':' );
pIndex = timeInterval.IndexOf( '.', pIndex );
if( pIndex < 0 ) timeInterval += " ";
Console.WriteLine( "{0,21}{1,26}", days, timeInterval );
}
static void Main( )
{
Console.WriteLine(
"This example of TimeSpan.FromDays( double )\n" +
"generates the following output.\n" );
Console.WriteLine( "{0,21}{1,18}",
"FromDays", "TimeSpan" );
Console.WriteLine( "{0,21}{1,18}",
"--------", "--------" );
GenTimeSpanFromDays( 0.000000006 );
GenTimeSpanFromDays( 0.000000017 );
GenTimeSpanFromDays( 0.000123456 );
GenTimeSpanFromDays( 1.234567898 );
GenTimeSpanFromDays( 12345.678987654 );
GenTimeSpanFromDays( 0.000011574 );
GenTimeSpanFromDays( 0.000694444 );
GenTimeSpanFromDays( 0.041666666 );
GenTimeSpanFromDays( 1 );
GenTimeSpanFromDays( 20.84745602 );
}
}
/*
This example of TimeSpan.FromDays( double )
generates the following output.
FromDays TimeSpan
-------- --------
6E-09 00:00:00.0010000
1.7E-08 00:00:00.0010000
0.000123456 00:00:10.6670000
1.234567898 1.05:37:46.6660000
12345.678987654 12345.16:17:44.5330000
1.1574E-05 00:00:01
0.000694444 00:01:00
0.041666666 01:00:00
1 1.00:00:00
20.84745602 20.20:20:20.2000000
*/
// Example of the TimeSpan.FromDays( double ) method.
open System
let genTimeSpanFromDays days =
// Create a TimeSpan object and TimeSpan string from
// a number of days.
let interval = TimeSpan.FromDays days
let timeInterval = string interval
// Pad the end of the TimeSpan string with spaces if it
// does not contain milliseconds.
let pIndex = timeInterval.IndexOf ':'
let pIndex = timeInterval.IndexOf('.', pIndex)
let timeInterval =
if pIndex < 0 then timeInterval + " "
else timeInterval
printfn $"{days,21}{timeInterval,26}"
printfn "This example of TimeSpan.FromDays( double )\ngenerates the following output.\n"
printfn "%21s%18s" "FromDays" "TimeSpan"
printfn "%21s%18s" "--------" "--------"
genTimeSpanFromDays 0.000000006
genTimeSpanFromDays 0.000000017
genTimeSpanFromDays 0.000123456
genTimeSpanFromDays 1.234567898
genTimeSpanFromDays 12345.678987654
genTimeSpanFromDays 0.000011574
genTimeSpanFromDays 0.000694444
genTimeSpanFromDays 0.041666666
genTimeSpanFromDays 1
genTimeSpanFromDays 20.84745602
(*
This example of TimeSpan.FromDays( double )
generates the following output.
FromDays TimeSpan
-------- --------
6E-09 00:00:00.0010000
1.7E-08 00:00:00.0010000
0.000123456 00:00:10.6670000
1.234567898 1.05:37:46.6660000
12345.678987654 12345.16:17:44.5330000
1.1574E-05 00:00:01
0.000694444 00:01:00
0.041666666 01:00:00
1 1.00:00:00
20.84745602 20.20:20:20.2000000
*)
' Example of the TimeSpan.FromDays( Double ) method.
Module FromDaysDemo
Sub GenTimeSpanFromDays( days As Double )
' Create a TimeSpan object and TimeSpan string from
' a number of days.
Dim interval As TimeSpan = _
TimeSpan.FromDays( days )
Dim timeInterval As String = interval.ToString( )
' Pad the end of the TimeSpan string with spaces if it
' does not contain milliseconds.
Dim pIndex As Integer = timeInterval.IndexOf( ":"c )
pIndex = timeInterval.IndexOf( "."c, pIndex )
If pIndex < 0 Then timeInterval &= " "
Console.WriteLine( "{0,21}{1,26}", days, timeInterval )
End Sub
Sub Main( )
Console.WriteLine( "This example of " & _
"TimeSpan.FromDays( Double )" & _
vbCrLf & "generates the following output." & vbCrLf )
Console.WriteLine( "{0,21}{1,18}", _
"FromDays", "TimeSpan" )
Console.WriteLine( "{0,21}{1,18}", _
"--------", "--------" )
GenTimeSpanFromDays( 0.000000006 )
GenTimeSpanFromDays( 0.000000017 )
GenTimeSpanFromDays( 0.000123456 )
GenTimeSpanFromDays( 1.234567898 )
GenTimeSpanFromDays( 12345.678987654 )
GenTimeSpanFromDays( 0.000011574 )
GenTimeSpanFromDays( 0.000694444 )
GenTimeSpanFromDays( 0.041666666 )
GenTimeSpanFromDays( 1 )
GenTimeSpanFromDays( 20.84745602 )
End Sub
End Module
' This example of TimeSpan.FromDays( Double )
' generates the following output.
'
' FromDays TimeSpan
' -------- --------
' 6E-09 00:00:00.0010000
' 1.7E-08 00:00:00.0010000
' 0.000123456 00:00:10.6670000
' 1.234567898 1.05:37:46.6660000
' 12345.678987654 12345.16:17:44.5330000
' 1.1574E-05 00:00:01
' 0.000694444 00:01:00
' 0.041666666 01:00:00
' 1 1.00:00:00
' 20.84745602 20.20:20:20.2000000
Remarques
Le value
paramètre est converti en millisecondes, qui est converti en graduations, et ce nombre de graduations est utilisé pour initialiser le nouveau TimeSpan. Par conséquent, value
ne sera considéré comme précis que jusqu’à la milliseconde la plus proche. Notez que, en raison de la perte de précision du Double type de données, cette conversion peut provoquer un OverflowException pour des valeurs qui sont proches de mais toujours dans la plage de MinValue ou MaxValue. Par exemple, cela provoque une tentative d’instanciation d’un OverflowExceptionTimeSpan objet dans la suivante.
// The following throws an OverflowException at runtime
TimeSpan maxSpan = TimeSpan.FromDays(TimeSpan.MaxValue.TotalDays);
// The following throws an OverflowException at runtime
let maxSpan = TimeSpan.FromDays TimeSpan.MaxValue.TotalDays
' The following throws an OverflowException at runtime
Dim maxSpan As TimeSpan = TimeSpan.FromDays(TimeSpan.MaxValue.TotalDays)
Voir aussi
- Double
- FromTicks(Int64)
- FromMilliseconds(Double)
- FromSeconds(Double)
- FromMinutes(Double)
- FromHours(Double)
S’applique à
FromDays(Int32)
FromDays(Int32, Int32, Int64, Int64, Int64, Int64)
public static TimeSpan FromDays (int days, int hours = 0, long minutes = 0, long seconds = 0, long milliseconds = 0, long microseconds = 0);
static member FromDays : int * int * int64 * int64 * int64 * int64 -> TimeSpan
Public Shared Function FromDays (days As Integer, Optional hours As Integer = 0, Optional minutes As Long = 0, Optional seconds As Long = 0, Optional milliseconds As Long = 0, Optional microseconds As Long = 0) As TimeSpan
Paramètres
- days
- Int32
- hours
- Int32
- minutes
- Int64
- seconds
- Int64
- milliseconds
- Int64
- microseconds
- Int64
Retours
S’applique à
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