List.RemoveRange メソッド
アセンブリ: mscorlib (mscorlib.dll 内)

Dim instance As List(Of T) Dim index As Integer Dim count As Integer instance.RemoveRange(index, count)



RemoveRange メソッドと、範囲に対して動作する、List クラスの他のさまざまなメソッドを使用したコード例を次に示します。リストの作成と変更が行われた後、RemoveRange メソッドを使用して、インデックス位置 2 から始まる 2 つの要素をリストから削除します。
Imports System Imports System.Collections.Generic Public Class Example Public Shared Sub Main() Dim input() As String = { "Brachiosaurus", _ "Amargasaurus", _ "Mamenchisaurus" } Dim dinosaurs As New List(Of String)(input) Console.WriteLine(vbLf & "Capacity: {0}", dinosaurs.Capacity) Console.WriteLine() For Each dinosaur As String In dinosaurs Console.WriteLine(dinosaur) Next Console.WriteLine(vbLf & "AddRange(dinosaurs)") dinosaurs.AddRange(dinosaurs) Console.WriteLine() For Each dinosaur As String In dinosaurs Console.WriteLine(dinosaur) Next Console.WriteLine(vbLf & "RemoveRange(2, 2)") dinosaurs.RemoveRange(2, 2) Console.WriteLine() For Each dinosaur As String In dinosaurs Console.WriteLine(dinosaur) Next input = New String() { "Tyrannosaurus", _ "Deinonychus", _ "Velociraptor" } Console.WriteLine(vbLf & "InsertRange(3, input)") dinosaurs.InsertRange(3, input) Console.WriteLine() For Each dinosaur As String In dinosaurs Console.WriteLine(dinosaur) Next Console.WriteLine(vbLf & "output = dinosaurs.GetRange(2, 3).ToArray") Dim output() As String = dinosaurs.GetRange(2, 3).ToArray() Console.WriteLine() For Each dinosaur As String In output Console.WriteLine(dinosaur) Next End Sub End Class ' This code example produces the following output: ' 'Capacity: 3 ' 'Brachiosaurus 'Amargasaurus 'Mamenchisaurus ' 'AddRange(dinosaurs) ' 'Brachiosaurus 'Amargasaurus 'Mamenchisaurus 'Brachiosaurus 'Amargasaurus 'Mamenchisaurus ' 'RemoveRange(2, 2) ' 'Brachiosaurus 'Amargasaurus 'Amargasaurus 'Mamenchisaurus ' 'InsertRange(3, input) ' 'Brachiosaurus 'Amargasaurus 'Amargasaurus 'Tyrannosaurus 'Deinonychus 'Velociraptor 'Mamenchisaurus ' 'output = dinosaurs.GetRange(2, 3).ToArray ' 'Amargasaurus 'Tyrannosaurus 'Deinonychus
using System; using System.Collections.Generic; public class Example { public static void Main() { string[] input = { "Brachiosaurus", "Amargasaurus", "Mamenchisaurus" }; List<string> dinosaurs = new List<string>(input); Console.WriteLine("\nCapacity: {0}", dinosaurs.Capacity); Console.WriteLine(); foreach( string dinosaur in dinosaurs ) { Console.WriteLine(dinosaur); } Console.WriteLine("\nAddRange(dinosaurs)"); dinosaurs.AddRange(dinosaurs); Console.WriteLine(); foreach( string dinosaur in dinosaurs ) { Console.WriteLine(dinosaur); } Console.WriteLine("\nRemoveRange(2, 2)"); dinosaurs.RemoveRange(2, 2); Console.WriteLine(); foreach( string dinosaur in dinosaurs ) { Console.WriteLine(dinosaur); } input = new string[] { "Tyrannosaurus", "Deinonychus", "Velociraptor"}; Console.WriteLine("\nInsertRange(3, input)"); dinosaurs.InsertRange(3, input); Console.WriteLine(); foreach( string dinosaur in dinosaurs ) { Console.WriteLine(dinosaur); } Console.WriteLine("\noutput = dinosaurs.GetRange(2, 3).ToArray()"); string[] output = dinosaurs.GetRange(2, 3).ToArray(); Console.WriteLine(); foreach( string dinosaur in output ) { Console.WriteLine(dinosaur); } } } /* This code example produces the following output: Capacity: 3 Brachiosaurus Amargasaurus Mamenchisaurus AddRange(dinosaurs) Brachiosaurus Amargasaurus Mamenchisaurus Brachiosaurus Amargasaurus Mamenchisaurus RemoveRange(2, 2) Brachiosaurus Amargasaurus Amargasaurus Mamenchisaurus InsertRange(3, input) Brachiosaurus Amargasaurus Amargasaurus Tyrannosaurus Deinonychus Velociraptor Mamenchisaurus output = dinosaurs.GetRange(2, 3).ToArray() Amargasaurus Tyrannosaurus Deinonychus */
using namespace System; using namespace System::Collections::Generic; void main() { array<String^>^ input = { "Brachiosaurus", "Amargasaurus", "Mamenchisaurus" }; List<String^>^ dinosaurs = gcnew List<String^>((IEnumerable<String^>^) input); Console::WriteLine("\nCapacity: {0}", dinosaurs->Capacity); Console::WriteLine(); for each(String^ dinosaur in dinosaurs ) { Console::WriteLine(dinosaur); } Console::WriteLine("\nAddRange(dinosaurs)"); dinosaurs->AddRange(dinosaurs); Console::WriteLine(); for each(String^ dinosaur in dinosaurs ) { Console::WriteLine(dinosaur); } Console::WriteLine("\nRemoveRange(2, 2)"); dinosaurs->RemoveRange(2, 2); Console::WriteLine(); for each(String^ dinosaur in dinosaurs ) { Console::WriteLine(dinosaur); } input = gcnew array<String^> { "Tyrannosaurus", "Deinonychus", "Velociraptor"}; Console::WriteLine("\nInsertRange(3, (IEnumerable<String^>^) input)"); dinosaurs->InsertRange(3, (IEnumerable<String^>^) input); Console::WriteLine(); for each(String^ dinosaur in dinosaurs ) { Console::WriteLine(dinosaur); } Console::WriteLine("\noutput = dinosaurs->GetRange(2, 3)->ToArray()"); array<String^>^ output = dinosaurs->GetRange(2, 3)->ToArray(); Console::WriteLine(); for each(String^ dinosaur in output ) { Console::WriteLine(dinosaur); } } /* This code example produces the following output: Capacity: 3 Brachiosaurus Amargasaurus Mamenchisaurus AddRange(dinosaurs) Brachiosaurus Amargasaurus Mamenchisaurus Brachiosaurus Amargasaurus Mamenchisaurus RemoveRange(2, 2) Brachiosaurus Amargasaurus Amargasaurus Mamenchisaurus InsertRange(3, (IEnumerable<String^>^) input) Brachiosaurus Amargasaurus Amargasaurus Tyrannosaurus Deinonychus Velociraptor Mamenchisaurus output = dinosaurs->GetRange(2, 3)->ToArray() Amargasaurus Tyrannosaurus Deinonychus */

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