SortedList.GetKey メソッドとは? わかりやすく解説

SortedList.GetKey メソッド

SortedList の指定したインデックスにあるキー取得します

名前空間: System.Collections
アセンブリ: mscorlib (mscorlib.dll 内)
構文構文

例外例外
例外種類条件

ArgumentOutOfRangeException

index が、SortedList有効なインデックス範囲外です。

解説解説
使用例使用例

SortedList 内のキーまたは値を個別にまたは一括して取得する方法の例を次に示します

Imports System
Imports System.Collections
Imports Microsoft.VisualBasic

Public Class SamplesSortedList
        
    Public Shared Sub Main()
        
        ' Creates and initializes a new SortedList.
        Dim mySL As New
 SortedList()
        mySL.Add(1.3, "fox")
        mySL.Add(1.4, "jumped")
        mySL.Add(1.5, "over")
        mySL.Add(1.2, "brown")
        mySL.Add(1.1, "quick")
        mySL.Add(1.0, "The")
        mySL.Add(1.6, "the")
        mySL.Add(1.8, "dog")
        mySL.Add(1.7, "lazy")
        
        ' Gets the key and the value based on the index.
        Dim myIndex As Integer
 = 3
        Console.WriteLine("The key   at index {0} is {1}.",
 myIndex, _
           mySL.GetKey(myIndex))
        Console.WriteLine("The value at index {0} is {1}.",
 myIndex, _
           mySL.GetByIndex(myIndex))
        
        ' Gets the list of keys and the list of values.
        Dim myKeyList As IList = mySL.GetKeyList()
        Dim myValueList As IList = mySL.GetValueList()
        
        ' Prints the keys in the first column and the values in the
 second column.
        Console.WriteLine(ControlChars.Tab & "-KEY-"
 & ControlChars.Tab & _
           "-VALUE-")
        Dim i As Integer
        For i = 0 To mySL.Count - 1
            Console.WriteLine(ControlChars.Tab & "{0}"
 & ControlChars.Tab & _
               "{1}", myKeyList(i), myValueList(i))
        Next i
    End Sub
End Class

' This code produces the following output.
' 
' The key   at index 3 is 1.3.
' The value at index 3 is fox.
'     -KEY-    -VALUE-
'     1    The
'     1.1    quick
'     1.2    brown
'     1.3    fox
'     1.4    jumped
'     1.5    over
'     1.6    the
'     1.7    lazy
'     1.8    dog
using System;
using System.Collections;
public class SamplesSortedList  {

   public static void Main()
  {

      // Creates and initializes a new SortedList.
      SortedList mySL = new SortedList();
      mySL.Add( 1.3, "fox" );
      mySL.Add( 1.4, "jumped" );
      mySL.Add( 1.5, "over" );
      mySL.Add( 1.2, "brown" );
      mySL.Add( 1.1, "quick" );
      mySL.Add( 1.0, "The" );
      mySL.Add( 1.6, "the" );
      mySL.Add( 1.8, "dog" );
      mySL.Add( 1.7, "lazy" );

      // Gets the key and the value based on the index.
      int myIndex=3;
      Console.WriteLine( "The key   at index {0} is {1}.", myIndex, mySL.GetKey(
 myIndex ) );
      Console.WriteLine( "The value at index {0} is {1}.", myIndex, mySL.GetByIndex(
 myIndex ) );

      // Gets the list of keys and the list of values.
      IList myKeyList = mySL.GetKeyList();
      IList myValueList = mySL.GetValueList();

      // Prints the keys in the first column and the values in the second
 column.
      Console.WriteLine( "\t-KEY-\t-VALUE-" );
      for ( int i = 0; i < mySL.Count; i++
 )
         Console.WriteLine( "\t{0}\t{1}", myKeyList[i], myValueList[i]
 );
   }
}
/* 
This code produces the following output.

The key   at index 3 is 1.3.
The value at index 3 is fox.
    -KEY-    -VALUE-
    1    The
    1.1    quick
    1.2    brown
    1.3    fox
    1.4    jumped
    1.5    over
    1.6    the
    1.7    lazy
    1.8    dog
*/ 
#using <system.dll>

using namespace System;
using namespace System::Collections;
int main()
{
   
   // Creates and initializes a new SortedList.
   SortedList^ mySL = gcnew SortedList;
   mySL->Add( 1.3, "fox" );
   mySL->Add( 1.4, "jumped" );
   mySL->Add( 1.5, "over" );
   mySL->Add( 1.2, "brown" );
   mySL->Add( 1.1, "quick" );
   mySL->Add( 1.0, "The" );
   mySL->Add( 1.6, "the" );
   mySL->Add( 1.8, "dog" );
   mySL->Add( 1.7, "lazy" );
   
   // Gets the key and the value based on the index.
   int myIndex = 3;
   Console::WriteLine( "The key   at index {0} is {1}.", myIndex, mySL->GetKey(
 myIndex ) );
   Console::WriteLine( "The value at index {0} is {1}.", myIndex, mySL->GetByIndex(
 myIndex ) );
   
   // Gets the list of keys and the list of values.
   IList^ myKeyList = mySL->GetKeyList();
   IList^ myValueList = mySL->GetValueList();
   
   // Prints the keys in the first column and the values in the second
 column.
   Console::WriteLine( "\t-KEY-\t-VALUE-" );
   for ( int i = 0; i < mySL->Count;
 i++ )
      Console::WriteLine( "\t{0}\t{1}", myKeyList[ i ], myValueList[ i
 ] );
}

/*
This code produces the following output.

The key   at index 3 is 1.3.
The value at index 3 is fox.
        -KEY-   -VALUE-
        1       The
        1.1     quick
        1.2     brown
        1.3     fox
        1.4     jumped
        1.5     over
        1.6     the
        1.7     lazy
        1.8     dog
*/
import System.*;
import System.Collections.*;

public class SamplesSortedList
{
    public static void main(String[]
 args)
    {
        // Creates and initializes a new SortedList.
        SortedList mySL = new SortedList();

        mySL.Add((System.Single)1.3, "fox");
        mySL.Add((System.Single)1.4, "jumped");
        mySL.Add((System.Single)1.5, "over");
        mySL.Add((System.Single)1.2, "brown");
        mySL.Add((System.Single)1.1, "quick");
        mySL.Add((System.Single)1.0, "The");
        mySL.Add((System.Single)1.6, "the");
        mySL.Add((System.Single)1.8, "dog");
        mySL.Add((System.Single)1.7, "lazy");

        // Gets the key and the value based on the index.
        int myIndex = 3;

        Console.WriteLine("The key   at index {0} is {1}.", 
            System.Convert.ToString(myIndex), mySL.GetKey(myIndex));
        Console.WriteLine("The value at index {0} is {1}.", 
            System.Convert.ToString(myIndex), mySL.GetByIndex(myIndex));

        // Gets the list of keys and the list of values.
        IList myKeyList = mySL.GetKeyList();
        IList myValueList = mySL.GetValueList();

        // Prints the keys in the first column and the values in the
 
        // second column.
        Console.WriteLine("\t-KEY-\t-VALUE-");
        for (int i = 0; i < mySL.get_Count();
 i++) {
            Console.WriteLine("\t{0}\t{1}", myKeyList.get_Item(i), 
                myValueList.get_Item(i));
        }
    } //main
} //SamplesSortedList

/* 
 This code produces the following output.
 
 The key   at index 3 is 1.3.
 The value at index 3 is fox.
     -KEY-    -VALUE-
     1    The
     1.1    quick
     1.2    brown
     1.3    fox
     1.4    jumped
     1.5    over
     1.6    the
     1.7    lazy
     1.8    dog
 */
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