Dictionary<TKey,TValue>.IDictionary.Remove(Object) 메서드

정의

네임스페이스:

System.Collections.Generic

어셈블리:

System.Collections.dll

Source:

Dictionary.cs

IDictionary에서 지정한 키를 가지는 요소를 제거합니다.

 virtual void System.Collections.IDictionary.Remove(System::Object ^ key) = System::Collections::IDictionary::Remove;

void IDictionary.Remove (object key);

abstract member System.Collections.IDictionary.Remove : obj -> unit
override this.System.Collections.IDictionary.Remove : obj -> unit

Sub Remove (key As Object) Implements IDictionary.Remove

매개 변수

key

Object

제거할 요소의 키입니다.

구현

Remove(Object)

예외

ArgumentNullException

key이(가) null인 경우

예제

다음 코드 예제를 사용 IDictionary.Remove 하는 방법을 보여 입니다 의 System.Collections.IDictionary 인터페이스를 사용 하 여 합니다 Dictionary<TKey,TValue>.

코드 예제는 메서드에 제공된 출력을 포함하여 더 큰 예제의 IDictionary.Add 일부입니다.

using System;
using System.Collections;
using System.Collections.Generic;

public class Example
{
    public static void Main()
    {
        // Create a new dictionary of strings, with string keys,
        // and access it using the IDictionary interface.
        //
        IDictionary openWith = new Dictionary<string, string>();

        // Add some elements to the dictionary. There are no
        // duplicate keys, but some of the values are duplicates.
        // IDictionary.Add throws an exception if incorrect types
        // are supplied for key or value.
        openWith.Add("txt", "notepad.exe");
        openWith.Add("bmp", "paint.exe");
        openWith.Add("dib", "paint.exe");
        openWith.Add("rtf", "wordpad.exe");

Imports System.Collections
Imports System.Collections.Generic

Public Class Example
    
    Public Shared Sub Main() 

        ' Create a new dictionary of strings, with string keys,
        ' and access it using the IDictionary interface.
        '
        Dim openWith As IDictionary = _
            New Dictionary(Of String, String)
        
        ' Add some elements to the dictionary. There are no 
        ' duplicate keys, but some of the values are duplicates.
        ' IDictionary.Add throws an exception if incorrect types
        ' are supplied for key or value.
        openWith.Add("txt", "notepad.exe")
        openWith.Add("bmp", "paint.exe")
        openWith.Add("dib", "paint.exe")
        openWith.Add("rtf", "wordpad.exe")

// Use the Remove method to remove a key/value pair. No
// exception is thrown if the wrong data type is supplied.
Console.WriteLine("\nRemove(\"dib\")");
openWith.Remove("dib");

if (!openWith.Contains("dib"))
{
    Console.WriteLine("Key \"dib\" is not found.");
}

' Use the Remove method to remove a key/value pair. No
' exception is thrown if the wrong data type is supplied.
Console.WriteLine(vbLf + "Remove(""dib"")")
openWith.Remove("dib")

If Not openWith.Contains("dib") Then
    Console.WriteLine("Key ""dib"" is not found.")
End If

    }
}

    End Sub

End Class

설명

이 메서드는 O(1) 작업에 접근합니다.