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TimeSpan.Compare(TimeSpan, TimeSpan) 方法

定義

比較兩個 TimeSpan 值並傳回整數,這個整數會指出第一個值比第二個值短、等長或較長。

public:
 static int Compare(TimeSpan t1, TimeSpan t2);
public static int Compare (TimeSpan t1, TimeSpan t2);
static member Compare : TimeSpan * TimeSpan -> int
Public Shared Function Compare (t1 As TimeSpan, t2 As TimeSpan) As Integer

參數

t1
TimeSpan

要比較的第一個時間間隔。

t2
TimeSpan

要比較的第二個時間間隔。

傳回

Int32

下列其中一個值。

描述
-1 t1 短於 t2
0 t1 等於 t2
1 t1 長於 t2

範例

下列範例 Compare 會使用方法來比較數個 TimeSpan 物件與 TimeSpan 物件,其值為2小時的時間間隔。

// Define a time interval equal to two hours.
TimeSpan baseInterval = new TimeSpan( 2, 0, 0);

// Define an array of time intervals to compare with
// the base interval.
TimeSpan[] spans = { 
    TimeSpan.FromSeconds(-2.5),
    TimeSpan.FromMinutes(20),
    TimeSpan.FromHours(1), 
    TimeSpan.FromMinutes(90),
    baseInterval,  
    TimeSpan.FromDays(.5), 
    TimeSpan.FromDays(1) 
};

// Compare the time intervals.
foreach (var span in spans) {
   int result = TimeSpan.Compare(baseInterval, span);
   Console.WriteLine("{0} {1} {2} (Compare returns {3})", 
                     baseInterval,
                     result == 1 ? ">" : result == 0 ? "=" : "<",
                     span, result);     
}

// The example displays the following output:
//       02:00:00 > -00:00:02.5000000 (Compare returns 1)
//       02:00:00 > 00:20:00 (Compare returns 1)
//       02:00:00 > 01:00:00 (Compare returns 1)
//       02:00:00 > 01:30:00 (Compare returns 1)
//       02:00:00 = 02:00:00 (Compare returns 0)
//       02:00:00 < 12:00:00 (Compare returns -1)
//       02:00:00 < 1.00:00:00 (Compare returns -1)
Public Module Example
    Public Sub Main()
        ' Define a time interval equal to 2 hours.
        Dim baseInterval As New TimeSpan( 2, 0, 0)

        ' Define an array of time intervals to compare with  
        ' the base interval.
        Dim spans() As TimeSpan = { TimeSpan.FromSeconds(-2.5),
                                    TimeSpan.FromMinutes(20),
                                    TimeSpan.FromHours(1), 
                                    TimeSpan.FromMinutes(90),
                                    baseInterval,  
                                    TimeSpan.FromDays(.5), 
                                    TimeSpan.FromDays(1) }

        ' Compare the time intervals.
        For Each span In spans
           Dim result As Integer = TimeSpan.Compare(baseInterval, span)
           Console.WriteLine("{0} {1} {2} (Compare returns {3})", 
                             baseInterval,
                             If(result = 1, ">", If(result = 0, "=", "<")),
                             span, result)
        Next
    End Sub 
End Module 
' The example displays the following output:
'       02:00:00 > -00:00:02.5000000 (Compare return
'       02:00:00 > 00:20:00 (Compare returns 1
'       02:00:00 > 01:00:00 (Compare returns 1
'       02:00:00 > 01:30:00 (Compare returns 1
'       02:00:00 = 02:00:00 (Compare returns 0
'       02:00:00 < 12:00:00 (Compare returns -1
'       02:00:00 < 1.00:00:00 (Compare returns -1

適用於

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