Tuple<T1,T2,T3,T4,T5>.Item3 Property

Definition

Gets the value of the current Tuple<T1,T2,T3,T4,T5> object's third component.

public T3 Item3 { get; }

Property Value

T3

The value of the current Tuple<T1,T2,T3,T4,T5> object's third component.

Examples

The following example defines an array of Tuple<T1,T2,T3,T4,T5> objects whose components contain the name of a state in the United States, its population in 1990 and 2000, its population change in this 10-year period, and the percentage change in its population. It then iterates through the array and displays the value of each component in a tuple.

using System;

public class Example
{
   public static void Main()
   {
      // Define array of tuples reflecting population change by state, 1990-2000.
      Tuple<string, int, int, int, double>[] statesData = 
         { Tuple.Create("California", 29760021, 33871648, 4111627, 13.8), 
           Tuple.Create("Illinois", 11430602, 12419293, 988691, 8.6), 
           Tuple.Create("Washington", 4866692, 5894121, 1027429, 21.1) };

      // Display the items of each tuple
      Console.WriteLine("{0,-12}{1,18}{2,18}{3,15}{4,12}\n", "State", 
                        "Population 1990", "Population 2000", "Change", 
                        "% Change");
      foreach(Tuple<string, int, int, int, double> stateData in statesData)
         Console.WriteLine("{0,-12}{1,18:N0}{2,18:N0}{3,15:N0}{4,12:P1}", 
                           stateData.Item1, stateData.Item2, 
                           stateData.Item3, stateData.Item4, stateData.Item5/100);      
   }
}
// The example displays the following output:
//    State          Population 1990   Population 2000         Change    % Change
//    
//    California          29,760,021        33,871,648      4,111,627      13.8 %
//    Illinois            11,430,602        12,419,293        988,691       8.6 %
//    Washington           4,866,692         5,894,121      1,027,429      21.1 %

Remarks

You can dynamically determine the type of the Item2 component in one of two ways:

  • By calling the GetType method on the value that is returned by the Item2 property.

  • By retrieving the Type object that represents the Tuple<T1,T2,T3,T4> object, and retrieving the second element from the array that is returned by its Type.GetGenericArguments method.

Applies to

Prodotto Versioni
.NET Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9
.NET Framework 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 2.0, 2.1
UWP 10.0