Tuple<T1,T2,T3,T4,T5,T6,T7>.IComparable.CompareTo(Object) 方法

 virtual int System.IComparable.CompareTo(System::Object ^ obj) = IComparable::CompareTo;

int IComparable.CompareTo(object obj);

abstract member System.IComparable.CompareTo : obj -> int
override this.System.IComparable.CompareTo : obj -> int

Function CompareTo (obj As Object) As Integer Implements IComparable.CompareTo

參數

傳回

一個帶符號整數，表示此實例的相對位置及其 obj 排序順序，如下表所示。

實作

例外狀況

範例

以下範例建立一個包含 1950 至 2000 年間美國三個城市人口資料的 Tuple<T1,T2,T3,T4,T5,T6,T7> 物件陣列。 這七個組成部分包括城市名稱後接城市人口，每十年，從1950年到2000年。 範例中每個元組的組成部分以未排序順序顯示，然後對陣列進行排序，然後呼叫 ToString 該方法以排序順序顯示每個元組。 輸出顯示陣列已依名稱排序，名稱是第一個元件。 請注意，範例中並未直接呼叫該 IComparable.CompareTo(Object) 方法。 此方法由 方法 Sort(Array) 隱含呼叫，針對陣列中的每個元素。

using System;

public class Example
{
   public static void Main()
   {
      // Create array of sextuple with population data for three U.S. 
      // cities, 1950-2000.
      Tuple<string, int, int, int, int, int, int>[] cities = 
          { Tuple.Create("Los Angeles", 1970358, 2479015, 2816061, 2966850, 3485398, 3694820),
            Tuple.Create("New York", 7891957, 7781984, 7894862, 7071639, 7322564, 8008278),  
            Tuple.Create("Chicago", 3620962, 3550904, 3366957, 3005072, 2783726, 2896016) }; 
      
      // Display array in unsorted order.
      Console.WriteLine("In unsorted order:");
      foreach (var city in cities)
         Console.WriteLine(city.ToString());

      Console.WriteLine();
      
      Array.Sort(cities);
                           
      // Display array in sorted order.
      Console.WriteLine("In sorted order:");
      foreach (var city in cities)
         Console.WriteLine(city.ToString());
   }
}
// The example displays the following output:
//    In unsorted order:
//    (Los Angeles, 1970358, 2479015, 2816061, 2966850, 3485398, 3694820)
//    (New York, 7891957, 7781984, 7894862, 7071639, 7322564, 8008278)
//    (Chicago, 3620962, 3550904, 3366957, 3005072, 2783726, 2896016)
//    
//    In sorted order:
//    (Chicago, 3620962, 3550904, 3366957, 3005072, 2783726, 2896016)
//    (Los Angeles, 1970358, 2479015, 2816061, 2966850, 3485398, 3694820)
//    (New York, 7891957, 7781984, 7894862, 7071639, 7322564, 8008278)

open System

// Create array of sextuple with population data for three U.S. 
// cities, 1950-2000.
let cities = 
    [| Tuple.Create("Los Angeles", 1970358, 2479015, 2816061, 2966850, 3485398, 3694820)
       Tuple.Create("New York", 7891957, 7781984, 7894862, 7071639, 7322564, 8008278) 
       Tuple.Create("Chicago", 3620962, 3550904, 3366957, 3005072, 2783726, 2896016) |]

// Display array in unsorted order.
printfn $"In unsorted order:"
for city in cities do
    printfn $"{city}"

printfn ""

Array.Sort cities
                    
// Display array in sorted order.
printfn "In sorted order:"
for city in cities do
    printfn $"{city}"
// The example displays the following output:
//    In unsorted order:
//    (Los Angeles, 1970358, 2479015, 2816061, 2966850, 3485398, 3694820)
//    (New York, 7891957, 7781984, 7894862, 7071639, 7322564, 8008278)
//    (Chicago, 3620962, 3550904, 3366957, 3005072, 2783726, 2896016)
//    
//    In sorted order:
//    (Chicago, 3620962, 3550904, 3366957, 3005072, 2783726, 2896016)
//    (Los Angeles, 1970358, 2479015, 2816061, 2966850, 3485398, 3694820)
//    (New York, 7891957, 7781984, 7894862, 7071639, 7322564, 8008278)

Module Example
   Public Sub Main()
      ' Create array of sextuple with population data for three U.S. 
      ' cities, 1950-2000.
      Dim cities() = _
          { Tuple.Create("Los Angeles", 1970358, 2479015, 2816061, 2966850, 3485398, 3694820),
            Tuple.Create("New York", 7891957, 7781984, 7894862, 7071639, 7322564, 8008278),  
            Tuple.Create("Chicago", 3620962, 3550904, 3366957, 3005072, 2783726, 2896016) } 
      
      ' Display array in unsorted order.
      Console.WriteLine("In unsorted order:")
      For Each city In cities
         Console.WriteLine(city.ToString())
      Next
      Console.WriteLine()
      
      Array.Sort(cities) 
                           
      ' Display array in sorted order.
      Console.WriteLine("In sorted order:")
      For Each city In cities
         Console.WriteLine(city.ToString())
      Next
   End Sub
End Module
' The example displays the following output:
'    In unsorted order:
'    (Los Angeles, 1970358, 2479015, 2816061, 2966850, 3485398, 3694820)
'    (New York, 7891957, 7781984, 7894862, 7071639, 7322564, 8008278)
'    (Chicago, 3620962, 3550904, 3366957, 3005072, 2783726, 2896016)
'    
'    In sorted order:
'    (Chicago, 3620962, 3550904, 3366957, 3005072, 2783726, 2896016)
'    (Los Angeles, 1970358, 2479015, 2816061, 2966850, 3485398, 3694820)
'    (New York, 7891957, 7781984, 7894862, 7071639, 7322564, 8008278)

備註

此成員為明確介面成員實作。 它只能在實 Tuple<T1,T2,T3,T4,T5,T6,T7> 例投射到 IComparable 介面時使用。

此方法提供 IComparable.CompareTo 類別的實作 Tuple<T1,T2,T3,T4,T5,T6,T7> 。 雖然此方法可直接呼叫，但通常由預設的集合排序方法（如 Array.Sort(Array) 和 SortedList.Add）呼叫，以排序集合成員。

此方法使用預設物件比較器來比較每個元件。