ListView.Items ListView.Items ListView.Items ListView.Items Property

Définition

Obtient une collection qui contient tous les éléments du contrôle.Gets a collection containing all items in the control.

public:
 property System::Windows::Forms::ListView::ListViewItemCollection ^ Items { System::Windows::Forms::ListView::ListViewItemCollection ^ get(); };
public System.Windows.Forms.ListView.ListViewItemCollection Items { get; }
member this.Items : System.Windows.Forms.ListView.ListViewItemCollection
Public ReadOnly Property Items As ListView.ListViewItemCollection

Valeur de propriété

Exemples

L’exemple de code suivant crée un ListView contrôle avec trois ListViewItem objets spécifiés et trois ListViewItem.ListViewSubItem objets spécifiés pour chaque élément.The following code example creates a ListView control with three ListViewItem objects specified and three ListViewItem.ListViewSubItem objects specified for each item. L’exemple crée également ColumnHeader objets à afficher des sous-éléments en mode Détails.The example also creates ColumnHeader objects to display the subitems in details view. Deux ImageList objets sont également créés dans l’exemple de code pour fournir des images pour les ListViewItem objets.Two ImageList objects are also created in the code example to provide images for the ListViewItem objects. Ces ImageList objets sont ajoutés à la LargeImageList et SmallImageList propriétés.These ImageList objects are added to the LargeImageList and SmallImageList properties. L’exemple utilise les propriétés suivantes pour créer le ListView contrôle.The example uses the following properties in creating the ListView control.

Cet exemple nécessite que vous avez ajouté le code à un Form et appelez la méthode créée dans l’exemple à partir du constructeur ou une autre méthode sur le formulaire.This example requires that you have added the code to a Form and call the method created in the example from the constructor or another method on the form. L’exemple suppose également que les images nommées MySmallImage1, MySmallImage2, MyLargeImage1, et MyLargeImage2 se trouvent dans le répertoire racine du lecteur C.The example also requires that images named MySmallImage1, MySmallImage2, MyLargeImage1, and MyLargeImage2 are located in the root directory of drive C.

private:
   void CreateMyListView()
   {
      // Create a new ListView control.
      ListView^ listView1 = gcnew ListView;
      listView1->Bounds = Rectangle(Point(10,10),System::Drawing::Size( 300, 200 ));

      // Set the view to show details.
      listView1->View = View::Details;

      // Allow the user to edit item text.
      listView1->LabelEdit = true;

      // Allow the user to rearrange columns.
      listView1->AllowColumnReorder = true;

      // Display check boxes.
      listView1->CheckBoxes = true;

      // Select the item and subitems when selection is made.
      listView1->FullRowSelect = true;

      // Display grid lines.
      listView1->GridLines = true;

      // Sort the items in the list in ascending order.
      listView1->Sorting = SortOrder::Ascending;

      // Create three items and three sets of subitems for each item.
      ListViewItem^ item1 = gcnew ListViewItem( "item1",0 );

      // Place a check mark next to the item.
      item1->Checked = true;
      item1->SubItems->Add( "1" );
      item1->SubItems->Add( "2" );
      item1->SubItems->Add( "3" );
      ListViewItem^ item2 = gcnew ListViewItem( "item2",1 );
      item2->SubItems->Add( "4" );
      item2->SubItems->Add( "5" );
      item2->SubItems->Add( "6" );
      ListViewItem^ item3 = gcnew ListViewItem( "item3",0 );

      // Place a check mark next to the item.
      item3->Checked = true;
      item3->SubItems->Add( "7" );
      item3->SubItems->Add( "8" );
      item3->SubItems->Add( "9" );

      // Create columns for the items and subitems.
      // Width of -2 indicates auto-size.
      listView1->Columns->Add( "Item Column", -2, HorizontalAlignment::Left );
      listView1->Columns->Add( "Column 2", -2, HorizontalAlignment::Left );
      listView1->Columns->Add( "Column 3", -2, HorizontalAlignment::Left );
      listView1->Columns->Add( "Column 4", -2, HorizontalAlignment::Center );

      //Add the items to the ListView.
      array<ListViewItem^>^temp1 = {item1,item2,item3};
      listView1->Items->AddRange( temp1 );

      // Create two ImageList objects.
      ImageList^ imageListSmall = gcnew ImageList;
      ImageList^ imageListLarge = gcnew ImageList;

      // Initialize the ImageList objects with bitmaps.
      imageListSmall->Images->Add( Bitmap::FromFile( "C:\\MySmallImage1.bmp" ) );
      imageListSmall->Images->Add( Bitmap::FromFile( "C:\\MySmallImage2.bmp" ) );
      imageListLarge->Images->Add( Bitmap::FromFile( "C:\\MyLargeImage1.bmp" ) );
      imageListLarge->Images->Add( Bitmap::FromFile( "C:\\MyLargeImage2.bmp" ) );

      //Assign the ImageList objects to the ListView.
      listView1->LargeImageList = imageListLarge;
      listView1->SmallImageList = imageListSmall;
      
      // Add the ListView to the control collection.
      this->Controls->Add( listView1 );
   }
private void CreateMyListView()
{
	// Create a new ListView control.
	ListView listView1 = new ListView();
	listView1.Bounds = new Rectangle(new Point(10,10), new Size(300,200));

	// Set the view to show details.
	listView1.View = View.Details;
	// Allow the user to edit item text.
	listView1.LabelEdit = true;
	// Allow the user to rearrange columns.
	listView1.AllowColumnReorder = true;
	// Display check boxes.
	listView1.CheckBoxes = true;
	// Select the item and subitems when selection is made.
	listView1.FullRowSelect = true;
	// Display grid lines.
	listView1.GridLines = true;
	// Sort the items in the list in ascending order.
	listView1.Sorting = SortOrder.Ascending;
          			
	// Create three items and three sets of subitems for each item.
	ListViewItem item1 = new ListViewItem("item1",0);
	// Place a check mark next to the item.
	item1.Checked = true;
	item1.SubItems.Add("1");
	item1.SubItems.Add("2");
	item1.SubItems.Add("3");
	ListViewItem item2 = new ListViewItem("item2",1);
	item2.SubItems.Add("4");
	item2.SubItems.Add("5");
	item2.SubItems.Add("6");
	ListViewItem item3 = new ListViewItem("item3",0);
	// Place a check mark next to the item.
	item3.Checked = true;
	item3.SubItems.Add("7");
	item3.SubItems.Add("8");
	item3.SubItems.Add("9");

	// Create columns for the items and subitems.
	// Width of -2 indicates auto-size.
	listView1.Columns.Add("Item Column", -2, HorizontalAlignment.Left);
	listView1.Columns.Add("Column 2", -2, HorizontalAlignment.Left);
	listView1.Columns.Add("Column 3", -2, HorizontalAlignment.Left);
	listView1.Columns.Add("Column 4", -2, HorizontalAlignment.Center);

	//Add the items to the ListView.
          listView1.Items.AddRange(new ListViewItem[]{item1,item2,item3});

	// Create two ImageList objects.
	ImageList imageListSmall = new ImageList();
	ImageList imageListLarge = new ImageList();

	// Initialize the ImageList objects with bitmaps.
	imageListSmall.Images.Add(Bitmap.FromFile("C:\\MySmallImage1.bmp"));
	imageListSmall.Images.Add(Bitmap.FromFile("C:\\MySmallImage2.bmp"));
	imageListLarge.Images.Add(Bitmap.FromFile("C:\\MyLargeImage1.bmp"));
	imageListLarge.Images.Add(Bitmap.FromFile("C:\\MyLargeImage2.bmp"));

	//Assign the ImageList objects to the ListView.
	listView1.LargeImageList = imageListLarge;
	listView1.SmallImageList = imageListSmall;

	// Add the ListView to the control collection.
	this.Controls.Add(listView1);
}
Private Sub CreateMyListView()
    ' Create a new ListView control.
    Dim listView1 As New ListView()
    listView1.Bounds = New Rectangle(New Point(10, 10), New Size(300, 200))

    ' Set the view to show details.
    listView1.View = View.Details
    ' Allow the user to edit item text.
    listView1.LabelEdit = True
    ' Allow the user to rearrange columns.
    listView1.AllowColumnReorder = True
    ' Display check boxes.
    listView1.CheckBoxes = True
    ' Select the item and subitems when selection is made.
    listView1.FullRowSelect = True
    ' Display grid lines.
    listView1.GridLines = True
    ' Sort the items in the list in ascending order.
    listView1.Sorting = SortOrder.Ascending

    ' Create three items and three sets of subitems for each item.
    Dim item1 As New ListViewItem("item1", 0)
    ' Place a check mark next to the item.
    item1.Checked = True
    item1.SubItems.Add("1")
    item1.SubItems.Add("2")
    item1.SubItems.Add("3")
    Dim item2 As New ListViewItem("item2", 1)
    item2.SubItems.Add("4")
    item2.SubItems.Add("5")
    item2.SubItems.Add("6")
    Dim item3 As New ListViewItem("item3", 0)
    ' Place a check mark next to the item.
    item3.Checked = True
    item3.SubItems.Add("7")
    item3.SubItems.Add("8")
    item3.SubItems.Add("9")

    ' Create columns for the items and subitems.
    ' Width of -2 indicates auto-size.
    listView1.Columns.Add("Item Column", -2, HorizontalAlignment.Left)
    listView1.Columns.Add("Column 2", -2, HorizontalAlignment.Left)
    listView1.Columns.Add("Column 3", -2, HorizontalAlignment.Left)
    listView1.Columns.Add("Column 4", -2, HorizontalAlignment.Center)

    'Add the items to the ListView.
    listView1.Items.AddRange(New ListViewItem() {item1, item2, item3})

    ' Create two ImageList objects.
    Dim imageListSmall As New ImageList()
    Dim imageListLarge As New ImageList()

    ' Initialize the ImageList objects with bitmaps.
    imageListSmall.Images.Add(Bitmap.FromFile("C:\MySmallImage1.bmp"))
    imageListSmall.Images.Add(Bitmap.FromFile("C:\MySmallImage2.bmp"))
    imageListLarge.Images.Add(Bitmap.FromFile("C:\MyLargeImage1.bmp"))
    imageListLarge.Images.Add(Bitmap.FromFile("C:\MyLargeImage2.bmp"))

    'Assign the ImageList objects to the ListView.
    listView1.LargeImageList = imageListLarge
    listView1.SmallImageList = imageListSmall

    ' Add the ListView to the control collection.
    Me.Controls.Add(listView1)
End Sub 'CreateMyListView

Remarques

À l’aide de la ListView.ListViewItemCollection retourné par cette propriété, vous pouvez ajouter des éléments, supprimer des éléments et obtenir le nombre d’éléments.Using the ListView.ListViewItemCollection returned by this property, you can add items, remove items, and obtain a count of items. Pour plus d’informations sur les tâches qui peuvent être effectuées avec les éléments dans la collection, consultez la ListView.ListViewItemCollection classe les rubriques de référence.For more information on the tasks that can be performed with the items in the collection, see the ListView.ListViewItemCollection class reference topics.

S’applique à

Voir aussi