CheckState 列挙体

.NET Framework クラス ライブラリ リファレンス

CheckState 列挙体

チェック ボックスなど、オンまたはオフ、あるいは不確定状態に設定できるコントロールの状態を指定します。

名前空間: System.Windows.Forms
アセンブリ: System.Windows.Forms (system.windows.forms.dll 内)
構文

Visual Basic (宣言)

Public Enumeration CheckState

Visual Basic (使用法)

Dim instance As CheckState

C#

public enum CheckState

C++

public enum class CheckState

J#

public enum CheckState

JScript

public enum CheckState

メンバ

	メンバ名	説明
	Checked	コントロールがチェックされています。
	Indeterminate	コントロールが不確定状態になっています。不確定状態のコントロールは、通常、網かけ表示されます。
	Unchecked	コントロールがチェックされていません。

解説

CheckBox、CheckedListBox、および ItemCheckEventArgs の複数のメソッドで、この列挙体を使用します。

メモ
既定値を設定しない場合は、不確定状態に設定されているコントロールを使用します。

使用例

CheckState 列挙体の使用方法を示すコード例を次に示します。

Visual Basic

Option Explicit
Option Strict

Imports System
Imports System.Drawing
Imports System.Collections
Imports System.ComponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.IO

Namespace WindowsApplication1
    Public Class Form1
        Inherits System.Windows.Forms.Form
        Private WithEvents checkedListBox1
 As System.Windows.Forms.CheckedListBox
        Private WithEvents textBox1 As
 System.Windows.Forms.TextBox
        Private WithEvents button1 As
 System.Windows.Forms.Button
        Private WithEvents button2 As
 System.Windows.Forms.Button
        Private WithEvents listBox1 As
 System.Windows.Forms.ListBox
        Private WithEvents button3 As
 System.Windows.Forms.Button
        Private components As System.ComponentModel.Container
        
        
        Public Sub New()
            InitializeComponent()
            
            ' Sets up the initial objects in the CheckedListBox.
            Dim myFruit As String()
 =  {"Apples", "Oranges",
 "Tomato"}
            checkedListBox1.Items.AddRange(myFruit)
            
            ' Changes the selection mode from double-click to single
 click.
            checkedListBox1.CheckOnClick = True
        End Sub 'New
        
        
        Protected Overloads Overrides
 Sub Dispose(ByVal disposing As
 Boolean)
            If disposing Then
                If Not (components Is
 Nothing) Then
                    components.Dispose()
                End If
            End If
            MyBase.Dispose(disposing)
        End Sub
         
        Private Sub InitializeComponent()
            Me.components = New System.ComponentModel.Container()
            Me.textBox1 = New System.Windows.Forms.TextBox()
            Me.checkedListBox1 = New System.Windows.Forms.CheckedListBox()
            Me.listBox1 = New System.Windows.Forms.ListBox()
            Me.button1 = New System.Windows.Forms.Button()
            Me.button2 = New System.Windows.Forms.Button()
            Me.button3 = New System.Windows.Forms.Button()
            Me.textBox1.Location = New System.Drawing.Point(144,
 64)
            Me.textBox1.Size = New System.Drawing.Size(128,
 20)
            Me.textBox1.TabIndex = 1
            Me.checkedListBox1.Location = New
 System.Drawing.Point(16, 64)
            Me.checkedListBox1.Size = New System.Drawing.Size(120,
 184)
            Me.checkedListBox1.TabIndex = 0
            Me.listBox1.Location = New System.Drawing.Point(408,
 64)
            Me.listBox1.Size = New System.Drawing.Size(128,
 186)
            Me.listBox1.TabIndex = 3
            Me.button1.Enabled = False
            Me.button1.Location = New System.Drawing.Point(144,
 104)
            Me.button1.Size = New System.Drawing.Size(104,
 32)
            Me.button1.TabIndex = 2
            Me.button1.Text = "Add Fruit"
            Me.button2.Enabled = False
            Me.button2.Location = New System.Drawing.Point(288,
 64)
            Me.button2.Size = New System.Drawing.Size(104,
 32)
            Me.button2.TabIndex = 2
            Me.button2.Text = "Show Order"
            Me.button3.Enabled = False
            Me.button3.Location = New System.Drawing.Point(288,
 104)
            Me.button3.Size = New System.Drawing.Size(104,
 32)
            Me.button3.TabIndex = 2
            Me.button3.Text = "Save Order"
            Me.ClientSize = New System.Drawing.Size(563,
 273)
            Me.Controls.AddRange(New System.Windows.Forms.Control()
 {Me.listBox1, Me.button3, Me.button2, Me.button1,
 Me.textBox1, Me.checkedListBox1})
            Me.Text = "Fruit Order"
        End Sub 'InitializeComponent
        
        <STAThread()> _
        Public Shared Sub
 Main()
            Application.Run(New Form1())
        End Sub 'Main
        
        
        ' Adds the string if the text box has data in it.
        Private Sub button1_Click(sender As
 Object, _
                e As System.EventArgs) Handles
 button1.Click
            If textBox1.Text <> ""
 Then
                If checkedListBox1.CheckedItems.Contains(textBox1.Text)
 = False Then
                    checkedListBox1.Items.Add(textBox1.Text, CheckState.Checked)
                End If
                textBox1.Text = ""
            End If
        End Sub 'button1_Click
         
        ' Activates or deactivates the Add button.
        Private Sub textBox1_TextChanged(sender
 As Object, _
                e As System.EventArgs) Handles
 textBox1.TextChanged
            If textBox1.Text = ""
 Then
                button1.Enabled = False
            Else
                button1.Enabled = True
            End If
        End Sub 'textBox1_TextChanged
         
        
        ' Moves the checked items from the CheckedListBox to the listBox.
        Private Sub button2_Click(sender As
 Object, _
                e As System.EventArgs) Handles
 button2.Click
            listBox1.Items.Clear()
            button3.Enabled = False
            Dim i As Integer
            For i = 0 To checkedListBox1.CheckedItems.Count
 - 1
                listBox1.Items.Add(checkedListBox1.CheckedItems(i))
            Next i
            If listBox1.Items.Count > 0 Then
                button3.Enabled = True
            End If 
        End Sub 'button2_Click
        
        ' Activates the move button if there are checked items.
        Private Sub checkedListBox1_ItemCheck(sender
 As Object, _
                e As ItemCheckEventArgs) Handles
 checkedListBox1.ItemCheck
            If e.NewValue = CheckState.Unchecked Then
                If checkedListBox1.CheckedItems.Count = 1 Then
                    button2.Enabled = False
                End If
            Else
                button2.Enabled = True
            End If
        End Sub 'checkedListBox1_ItemCheck
        
        
        ' Saves the items to a file.
        Private Sub button3_Click(sender As
 Object, _
                e As System.EventArgs) Handles
 button3.Click
            ' Insert code to save a file.
            listBox1.Items.Clear()
            Dim myEnumerator As IEnumerator
            myEnumerator = checkedListBox1.CheckedIndices.GetEnumerator()
            Dim y As Integer
            While myEnumerator.MoveNext() <> False
                y = CInt(myEnumerator.Current)
                checkedListBox1.SetItemChecked(y, False)
            End While
            button3.Enabled = False
        End Sub 'button3_Click
    End Class 'Form1
End Namespace 'WindowsApplication1

C#

namespace WindowsApplication1
{
   using System;
   using System.Drawing;
   using System.Collections;
   using System.ComponentModel;
   using System.Windows.Forms;
   using System.Data;
   using System.IO ;

   public class Form1 : System.Windows.Forms.Form
   {
      private System.Windows.Forms.CheckedListBox checkedListBox1;
      private System.Windows.Forms.TextBox textBox1;
      private System.Windows.Forms.Button button1;
      private System.Windows.Forms.Button button2;
      private System.Windows.Forms.ListBox listBox1;
      private System.Windows.Forms.Button button3;
        private System.ComponentModel.Container components;
      
      public Form1()
      {
            InitializeComponent();

         // Sets up the initial objects in the CheckedListBox.
            string[] myFruit = {"Apples", "Oranges"
,"Tomato"};
         checkedListBox1.Items.AddRange(myFruit);

            // Changes the selection mode from double-click to single
 click.
         checkedListBox1.CheckOnClick = true;
      }

      protected override void Dispose( bool
 disposing )
      {
        if( disposing )
        {
            if (components != null) 
            {
              components.Dispose();
            }
        }
        base.Dispose( disposing );
      }

      private void InitializeComponent()
      {
         this.components = new System.ComponentModel.Container();
         this.textBox1 = new System.Windows.Forms.TextBox();
         this.checkedListBox1 = new System.Windows.Forms.CheckedListBox();
         this.listBox1 = new System.Windows.Forms.ListBox();
         this.button1 = new System.Windows.Forms.Button();
         this.button2 = new System.Windows.Forms.Button();
         this.button3 = new System.Windows.Forms.Button();
         this.textBox1.Location = new System.Drawing.Point(144,
 64);
         this.textBox1.Size = new System.Drawing.Size(128,
 20);
         this.textBox1.TabIndex = 1;
         this.textBox1.TextChanged += new System.EventHandler(this.textBox1_TextChanged);
         this.checkedListBox1.Location = new
 System.Drawing.Point(16, 64);
         this.checkedListBox1.Size = new System.Drawing.Size(120,
 184);
         this.checkedListBox1.TabIndex = 0;
         this.checkedListBox1.ItemCheck += new
 System.Windows.Forms.ItemCheckEventHandler(this.checkedListBox1_ItemCheck);
         this.listBox1.Location = new System.Drawing.Point(408,
 64);
         this.listBox1.Size = new System.Drawing.Size(128,
 186);
         this.listBox1.TabIndex = 3;
         this.button1.Enabled = false;
         this.button1.Location = new System.Drawing.Point(144,
 104);
         this.button1.Size = new System.Drawing.Size(104,
 32);
         this.button1.TabIndex = 2;
         this.button1.Text = "Add Fruit";
         this.button1.Click += new System.EventHandler(this.button1_Click);
         this.button2.Enabled = false;
         this.button2.Location = new System.Drawing.Point(288,
 64);
         this.button2.Size = new System.Drawing.Size(104,
 32);
         this.button2.TabIndex = 2;
         this.button2.Text = "Show Order";
         this.button2.Click += new System.EventHandler(this.button2_Click);
         this.button3.Enabled = false;
         this.button3.Location = new System.Drawing.Point(288,
 104);
         this.button3.Size = new System.Drawing.Size(104,
 32);
         this.button3.TabIndex = 2;
         this.button3.Text = "Save Order";
         this.button3.Click += new System.EventHandler(this.button3_Click);
         this.ClientSize = new System.Drawing.Size(563,
 273);
         this.Controls.AddRange(new System.Windows.Forms.Control[]
 {this.listBox1,
                                                        this.button3
,
                                                        this.button2
,
                                                        this.button1
,
                                                        this.textBox1
,
                                                        this.checkedListBox1});
         this.Text = "Fruit Order";
      }

      [STAThread]
      public static void
 Main(string[] args) 
      {
         Application.Run(new Form1());
      }

      // Adds the string if the text box has data in it.
      private void button1_Click(object sender,
 System.EventArgs e)
      {
         if(textBox1.Text != "")
         {
            if(checkedListBox1.CheckedItems.Contains(textBox1.Text)==
 false)
               checkedListBox1.Items.Add(textBox1.Text,CheckState.Checked);
            textBox1.Text = "";
         }

      }
      // Activates or deactivates the Add button.
      private void textBox1_TextChanged(object
 sender, System.EventArgs e)
      {
         if (textBox1.Text == "")
         {
            button1.Enabled = false;
         }
         else
         {
            button1.Enabled = true;
         }
            
        }

      // Moves the checked items from the CheckedListBox to the listBox.
      private void button2_Click(object sender,
 System.EventArgs e)
      {
         listBox1.Items.Clear();
         button3.Enabled=false;
         for (int i=0; i< checkedListBox1.CheckedItems.Count;i++)
         {
            listBox1.Items.Add(checkedListBox1.CheckedItems[i]);
         }
         if (listBox1.Items.Count>0)
            button3.Enabled=true;
         
      }
        // Activates the move button if there are checked items.
      private void checkedListBox1_ItemCheck(object
 sender, ItemCheckEventArgs e)
      {
         if(e.NewValue==CheckState.Unchecked)
         {
            if(checkedListBox1.CheckedItems.Count==1)
            {
               button2.Enabled = false;
            }
         }
         else
         {
            button2.Enabled = true;
         }
      }

        // Saves the items to a file.
      private void button3_Click(object sender,
 System.EventArgs e)
      {   
         // Insert code to save a file.
         listBox1.Items.Clear();
         IEnumerator myEnumerator;
         myEnumerator = checkedListBox1.CheckedIndices.GetEnumerator();
         int y;
         while (myEnumerator.MoveNext() != false)
         {
            y =(int) myEnumerator.Current;
            checkedListBox1.SetItemChecked(y, false);
         }
         button3.Enabled = false ;
      }        
    }
}
   

C++

#using <System.Data.dll>
#using <System.Windows.Forms.dll>
#using <System.dll>
#using <System.Drawing.dll>

using namespace System;
using namespace System::Drawing;
using namespace System::Collections;
using namespace System::ComponentModel;
using namespace System::Windows::Forms;
using namespace System::Data;
using namespace System::IO;

public ref class Form1: public
 System::Windows::Forms::Form
{
private:
   System::Windows::Forms::CheckedListBox^ checkedListBox1;
   System::Windows::Forms::TextBox^ textBox1;
   System::Windows::Forms::Button^ button1;
   System::Windows::Forms::Button^ button2;
   System::Windows::Forms::ListBox^ listBox1;
   System::Windows::Forms::Button^ button3;
   System::ComponentModel::Container^ components;

public:
   Form1()
   {
      InitializeComponent();
      
      // Sets up the initial objects in the CheckedListBox.
      array<String^>^myFruit = {"Apples","Oranges","Tomato"};
      checkedListBox1->Items->AddRange( myFruit );
      
      // Changes the selection mode from double-click to single click.
      checkedListBox1->CheckOnClick = true;
   }

public:
   ~Form1()
   {
      if ( components != nullptr )
      {
         delete components;
      }
   }

private:
   void InitializeComponent()
   {
      this->components = gcnew System::ComponentModel::Container;
      this->textBox1 = gcnew System::Windows::Forms::TextBox;
      this->checkedListBox1 = gcnew System::Windows::Forms::CheckedListBox;
      this->listBox1 = gcnew System::Windows::Forms::ListBox;
      this->button1 = gcnew System::Windows::Forms::Button;
      this->button2 = gcnew System::Windows::Forms::Button;
      this->button3 = gcnew System::Windows::Forms::Button;
      this->textBox1->Location = System::Drawing::Point(
 144, 64 );
      this->textBox1->Size = System::Drawing::Size( 128,
 20 );
      this->textBox1->TabIndex = 1;
      this->textBox1->TextChanged += gcnew System::EventHandler(
 this, &Form1::textBox1_TextChanged );
      this->checkedListBox1->Location = System::Drawing::Point(
 16, 64 );
      this->checkedListBox1->Size = System::Drawing::Size(
 120, 184 );
      this->checkedListBox1->TabIndex = 0;
      this->checkedListBox1->ItemCheck += gcnew System::Windows::Forms::ItemCheckEventHandler(
 this, &Form1::checkedListBox1_ItemCheck );
      this->listBox1->Location = System::Drawing::Point(
 408, 64 );
      this->listBox1->Size = System::Drawing::Size( 128,
 186 );
      this->listBox1->TabIndex = 3;
      this->button1->Enabled = false;
      this->button1->Location = System::Drawing::Point(
 144, 104 );
      this->button1->Size = System::Drawing::Size( 104,
 32 );
      this->button1->TabIndex = 2;
      this->button1->Text = "Add Fruit";
      this->button1->Click += gcnew System::EventHandler(
 this, &Form1::button1_Click );
      this->button2->Enabled = false;
      this->button2->Location = System::Drawing::Point(
 288, 64 );
      this->button2->Size = System::Drawing::Size( 104,
 32 );
      this->button2->TabIndex = 2;
      this->button2->Text = "Show Order";
      this->button2->Click += gcnew System::EventHandler(
 this, &Form1::button2_Click );
      this->button3->Enabled = false;
      this->button3->Location = System::Drawing::Point(
 288, 104 );
      this->button3->Size = System::Drawing::Size( 104,
 32 );
      this->button3->TabIndex = 2;
      this->button3->Text = "Save Order";
      this->button3->Click += gcnew System::EventHandler(
 this, &Form1::button3_Click );
      this->ClientSize = System::Drawing::Size( 563, 273 );
      array<System::Windows::Forms::Control^>^temp0 = {this->listBox1
,this->button3,this->button2,this->button1
,this->textBox1,this->checkedListBox1};
      this->Controls->AddRange( temp0 );
      this->Text = "Fruit Order";
   }

   // Adds the string if the text box has data in it.
   void button1_Click( Object^ /*sender*/, System::EventArgs^
 /*e*/ )
   {
      if (  !textBox1->Text->Equals( "" ) )
      {
         if ( checkedListBox1->CheckedItems->Contains( textBox1->Text
 ) == false )
                  checkedListBox1->Items->Add( textBox1->Text, CheckState::Checked
 );
         textBox1->Text = "";
      }
   }

   // Activates or deactivates the Add button.
   void textBox1_TextChanged( Object^ /*sender*/, System::EventArgs^
 /*e*/ )
   {
      if ( textBox1->Text->Equals( "" ) )
      {
         button1->Enabled = false;
      }
      else
      {
         button1->Enabled = true;
      }
   }

   // Moves the checked items from the CheckedListBox to the listBox.
   void button2_Click( Object^ /*sender*/, System::EventArgs^
 /*e*/ )
   {
      listBox1->Items->Clear();
      button3->Enabled = false;
      for ( int i = 0; i < checkedListBox1->CheckedItems->Count;
 i++ )
      {
         listBox1->Items->Add( checkedListBox1->CheckedItems[ i ] );

      }
      if ( listBox1->Items->Count > 0 )
            button3->Enabled = true;
   }

   // Activates the move button if there are checked items.
   void checkedListBox1_ItemCheck( Object^ /*sender*/, ItemCheckEventArgs^
 e )
   {
      if ( e->NewValue == CheckState::Unchecked )
      {
         if ( checkedListBox1->CheckedItems->Count == 1
 )
         {
            button2->Enabled = false;
         }
      }
      else
      {
         button2->Enabled = true;
      }
   }

   // Saves the items to a file.
   void button3_Click( Object^ /*sender*/, System::EventArgs^
 /*e*/ )
   {
      // Insert code to save a file.
      listBox1->Items->Clear();
      IEnumerator^ myEnumerator;
      myEnumerator = checkedListBox1->CheckedIndices->GetEnumerator();
      int y;
      while ( myEnumerator->MoveNext() != false
 )
      {
         y = safe_cast<Int32>(myEnumerator->Current);
         checkedListBox1->SetItemChecked( y, false );
      }

      button3->Enabled = false;
   }
};

[STAThread]
int main()
{
   Application::Run( gcnew Form1 );
}

J#

import System.*;
import System.Drawing.*;
import System.Collections.*;
import System.ComponentModel.*;
import System.Windows.Forms.*;
import System.Data.*;
import System.IO.*;
  
public class Form1 extends System.Windows.Forms.Form
{
    private System.Windows.Forms.CheckedListBox checkedListBox1;
    private System.Windows.Forms.TextBox textBox1;
    private System.Windows.Forms.Button button1;
    private System.Windows.Forms.Button button2;
    private System.Windows.Forms.ListBox listBox1;
    private System.Windows.Forms.Button button3;
    private System.ComponentModel.Container components;

    public Form1()
    {
        InitializeComponent();
        // Sets up the initial objects in the CheckedListBox.
        String myFruit[] =  { "Apples", "Oranges", "Tomato"
 };
        checkedListBox1.get_Items().AddRange(myFruit);
        // Changes the selection mode from double-click to single click.
        checkedListBox1.set_CheckOnClick(true);
    } //Form1

    protected void Dispose(boolean disposing)
    {
        if (disposing) {
            if (components != null) {
                components.Dispose();
            }
        }
        super.Dispose(disposing);
    } //Dispose

    private void InitializeComponent()
    {
        this.components = new System.ComponentModel.Container();
        this.textBox1 = new System.Windows.Forms.TextBox();
        this.checkedListBox1 = new System.Windows.Forms.CheckedListBox();
        this.listBox1 = new System.Windows.Forms.ListBox();
        this.button1 = new System.Windows.Forms.Button();
        this.button2 = new System.Windows.Forms.Button();
        this.button3 = new System.Windows.Forms.Button();
        this.textBox1.set_Location(new System.Drawing.Point(144,
 64));
        this.textBox1.set_Size(new System.Drawing.Size(128,
 20));
        this.textBox1.set_TabIndex(1);
        this.textBox1.add_TextChanged(new System.EventHandler(
            this.textBox1_TextChanged));
        this.checkedListBox1.set_Location(new
 System.Drawing.Point(16, 64));
        this.checkedListBox1.set_Size(new System.Drawing.Size(120,
 184));
        this.checkedListBox1.set_TabIndex(0);
        this.checkedListBox1.add_ItemCheck(
            new System.Windows.Forms.ItemCheckEventHandler(
            this.checkedListBox1_ItemCheck));
        this.listBox1.set_Location(new System.Drawing.Point(408,
 64));
        this.listBox1.set_Size(new System.Drawing.Size(128,
 186));
        this.listBox1.set_TabIndex(3);
        this.button1.set_Enabled(false);
        this.button1.set_Location(new System.Drawing.Point(144,
 104));
        this.button1.set_Size(new System.Drawing.Size(104,
 32));
        this.button1.set_TabIndex(2);
        this.button1.set_Text("Add Fruit");
        this.button1.add_Click(new System.EventHandler(this.button1_Click));
        this.button2.set_Enabled(false);
        this.button2.set_Location(new System.Drawing.Point(288,
 64));
        this.button2.set_Size(new System.Drawing.Size(104,
 32));
        this.button2.set_TabIndex(2);
        this.button2.set_Text("Show Order");
        this.button2.add_Click(new System.EventHandler(this.button2_Click));
        this.button3.set_Enabled(false);
        this.button3.set_Location(new System.Drawing.Point(288,
 104));
        this.button3.set_Size(new System.Drawing.Size(104,
 32));
        this.button3.set_TabIndex(2);
        this.button3.set_Text("Save Order");
        this.button3.add_Click(new System.EventHandler(this.button3_Click));
        this.set_ClientSize(new System.Drawing.Size(563,
 273));
        this.get_Controls().AddRange(new System.Windows.Forms.Control[]
 { 
            this.listBox1, this.button3, this.button2,
 this.button1, 
            this.textBox1, this.checkedListBox1});
        this.set_Text("Fruit Order");
    } //InitializeComponent

    /** @attribute STAThread()
     */
    public static void main(String[]
 args)
    {
        Application.Run(new Form1());
    } //main

    // Adds the string if the text box has data in it.
    private void button1_Click(Object sender,
 System.EventArgs e)
    {
        if (!textBox1.get_Text().Equals("")) {
            if (checkedListBox1.get_CheckedItems().Contains(textBox1.get_Text())
                == false) {
                checkedListBox1.get_Items().Add(textBox1.get_Text(), 
                    CheckState.Checked);
            }
            textBox1.set_Text("");
        }
    } //button1_Click

    // Activates or deactivates the Add button.
    private void textBox1_TextChanged(Object
 sender, System.EventArgs e)
    {
        if (textBox1.get_Text().Equals("")) {
            button1.set_Enabled(false);
        }
        else {
            button1.set_Enabled(true);
        }
    } //textBox1_TextChanged

    // Moves the checked items from the CheckedListBox to the listBox.
    private void button2_Click(Object sender,
 System.EventArgs e)
    {
        listBox1.get_Items().Clear();
        button3.set_Enabled(false);
        for (int i = 0; i < checkedListBox1.get_CheckedItems().get_Count();
 
            i++) {
            listBox1.get_Items().Add(
                checkedListBox1.get_CheckedItems().get_Item(i));
        }
        if (listBox1.get_Items().get_Count() > 0) {
            button3.set_Enabled(true);
        }
    } //button2_Click

    // Activates the move button if there are checked items.
    private void checkedListBox1_ItemCheck(Object
 sender, ItemCheckEventArgs e)
    {
        if (e.get_NewValue().Equals(CheckState.Unchecked)) {
            if (checkedListBox1.get_CheckedItems().get_Count()
 == 1) {
                button2.set_Enabled(false);
            }
        }
        else {
            button2.set_Enabled(true);
        }
    } //checkedListBox1_ItemCheck

    // Saves the items to a file.
    private void button3_Click(Object sender,
 System.EventArgs e)
    {
        // Insert code to save a file.
        listBox1.get_Items().Clear();
        IEnumerator myEnumerator;
        myEnumerator = checkedListBox1.get_CheckedIndices().GetEnumerator();
        int y;
        while ((myEnumerator.MoveNext() != false))
 {
            y = (int)(System.Convert.ToInt32(myEnumerator.get_Current()));
            checkedListBox1.SetItemChecked(y, false);
        }
        button3.set_Enabled(false);
    } //button3_Click
} //Form1

プラットフォーム

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。

バージョン情報

.NET Framework
サポート対象 : 2.0、1.1、1.0
.NET Compact Framework
サポート対象 : 2.0、1.0

参照

関連項目
System.Windows.Forms 名前空間