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

정의

네임스페이스:
System.Collections.Generic
어셈블리:
mscorlib.dll, System.Collections.dll
어셈블리:
netstandard.dll, System.Collections.dll
어셈블리:
System.Collections.dll
어셈블리:
mscorlib.dll
어셈블리:
netstandard.dll
Source:
Dictionary.cs
Source:
Dictionary.cs
Source:
Dictionary.cs
Source:
Dictionary.cs
Source:
Dictionary.cs

지정된 키를 가진 요소를 .에서 IDictionary제거합니다.

 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

key은 null입니다.

예제

다음 코드 예제에서는 인터페이스와 IDictionary.RemoveSystem.Collections.IDictionary 함께 사용 하는 방법을 보여 있습니다 Dictionary<TKey,TValue>.

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");

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

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

open System
open System.Collections
open System.Collections.Generic

// Create a new dictionary of strings, with string keys,
// and access it using the IDictionary interface.
let openWith: IDictionary = 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")

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

if openWith.Contains "dib" |> not then
    printfn "Key \"dib\" is not found."

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(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.

적용 대상