Assembly : System.Windows.Forms (dans system.windows.forms.dll)
Syntaxe<LocalizableAttribute(True)> _ Public Property SelectedImageIndex As Integer
Dim instance As TreeNode Dim value As Integer value = instance.SelectedImageIndex instance.SelectedImageIndex = value
[LocalizableAttribute(true)] public int SelectedImageIndex { get; set; }
[LocalizableAttribute(true)] public: property int SelectedImageIndex { int get (); void set (int value); }
/** @property */ public int get_SelectedImageIndex () /** @property */ public void set_SelectedImageIndex (int value)
public function get SelectedImageIndex () : int public function set SelectedImageIndex (value : int)
Valeur de la propriété
Index de base zéro représentant la position de l'image dans ImageList.
NotesLa valeur de SelectedImageIndex est la valeur d'index d'un Image stocké dans le ImageList assigné à la propriété TreeView.ImageList.
Remarque |
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| La valeur par défaut de la propriété SelectedImageIndex est la même que celle de la propriété SelectedImageIndex du contrôle TreeView auquel TreeNode est assigné. |
ExempleL'exemple de code suivant crée et assigne ImageList à un contrôle TreeView et remplit le contrôle TreeView avec des objets TreeNode. Des images sont assignées aux n?uds d'arbre à partir de ImageList et sont affichées dans l'état sélectionné ou désélectionné. Cet exemple requiert que vous ayez un contrôle Form contenant TreeView et un contrôle ArrayList contenant des objets Customer disposant chacun d'objets Order. Il requiert également que les objets Customer et Order soient définis.
Private Sub FillTreeView() ' Load the images in an ImageList. Dim myImageList As New ImageList() myImageList.Images.Add(Image.FromFile("Default.gif")) myImageList.Images.Add(Image.FromFile("SelectedDefault.gif")) myImageList.Images.Add(Image.FromFile("Root.gif")) myImageList.Images.Add(Image.FromFile("UnselectedCustomer.gif")) myImageList.Images.Add(Image.FromFile("SelectedCustomer.gif")) myImageList.Images.Add(Image.FromFile("UnselectedOrder.gif")) myImageList.Images.Add(Image.FromFile("SelectedOrder.gif")) ' Assign the ImageList to the TreeView. myTreeView.ImageList = myImageList ' Set the TreeView control's default image and selected image indexes. myTreeView.ImageIndex = 0 myTreeView.SelectedImageIndex = 1 ' Set the index of image from the ' ImageList for selected and unselected tree nodes. Me.rootImageIndex = 2 Me.selectedCustomerImageIndex = 3 Me.unselectedCustomerImageIndex = 4 Me.selectedOrderImageIndex = 5 Me.unselectedOrderImageIndex = 6 ' Create the root tree node. Dim rootNode As New TreeNode("CustomerList") rootNode.ImageIndex = rootImageIndex rootNode.SelectedImageIndex = rootImageIndex ' Add a main root tree node. myTreeView.Nodes.Add(rootNode) ' Add a root tree node for each Customer object in the ArrayList. Dim myCustomer As Customer For Each myCustomer In customerArray ' Add a child tree node for each Order object. Dim countIndex As Integer = 0 Dim myTreeNodeArray(myCustomer.CustomerOrders.Count) As TreeNode Dim myOrder As Order For Each myOrder In myCustomer.CustomerOrders ' Add the Order tree node to the array. myTreeNodeArray(countIndex) = New TreeNode(myOrder.OrderID, _ unselectedOrderImageIndex, selectedOrderImageIndex) countIndex += 1 Next myOrder ' Add the Customer tree node. Dim customerNode As New TreeNode(myCustomer.CustomerName, _ unselectedCustomerImageIndex, selectedCustomerImageIndex, myTreeNodeArray) myTreeView.Nodes(0).Nodes.Add(customerNode) Next myCustomer End Sub
private void FillTreeView() { // Load the images in an ImageList. ImageList myImageList = new ImageList(); myImageList.Images.Add(Image.FromFile("Default.gif")); myImageList.Images.Add(Image.FromFile("SelectedDefault.gif")); myImageList.Images.Add(Image.FromFile("Root.gif")); myImageList.Images.Add(Image.FromFile("UnselectedCustomer.gif")); myImageList.Images.Add(Image.FromFile("SelectedCustomer.gif")); myImageList.Images.Add(Image.FromFile("UnselectedOrder.gif")); myImageList.Images.Add(Image.FromFile("SelectedOrder.gif")); // Assign the ImageList to the TreeView. myTreeView.ImageList = myImageList; // Set the TreeView control's default image and selected image indexes. myTreeView.ImageIndex = 0; myTreeView.SelectedImageIndex = 1; /* Set the index of image from the ImageList for selected and unselected tree nodes.*/ this.rootImageIndex = 2; this.selectedCustomerImageIndex = 3; this.unselectedCustomerImageIndex = 4; this.selectedOrderImageIndex = 5; this.unselectedOrderImageIndex = 6; // Create the root tree node. TreeNode rootNode = new TreeNode("CustomerList"); rootNode.ImageIndex = rootImageIndex; rootNode.SelectedImageIndex = rootImageIndex; // Add a main root tree node. myTreeView.Nodes.Add(rootNode); // Add a root tree node for each Customer object in the ArrayList. foreach(Customer myCustomer in customerArray) { // Add a child tree node for each Order object. int countIndex=0; TreeNode[] myTreeNodeArray = new TreeNode[myCustomer.CustomerOrders.Count]; foreach(Order myOrder in myCustomer.CustomerOrders) { // Add the Order tree node to the array. myTreeNodeArray[countIndex] = new TreeNode(myOrder.OrderID, unselectedOrderImageIndex, selectedOrderImageIndex); countIndex++; } // Add the Customer tree node. TreeNode customerNode = new TreeNode(myCustomer.CustomerName, unselectedCustomerImageIndex, selectedCustomerImageIndex, myTreeNodeArray); myTreeView.Nodes[0].Nodes.Add(customerNode); } }
void FillTreeView() { // Load the images in an ImageList. ImageList^ myImageList = gcnew ImageList; myImageList->Images->Add( Image::FromFile( "Default.gif" ) ); myImageList->Images->Add( Image::FromFile( "SelectedDefault.gif" ) ); myImageList->Images->Add( Image::FromFile( "Root.gif" ) ); myImageList->Images->Add( Image::FromFile( "UnselectedCustomer.gif" ) ); myImageList->Images->Add( Image::FromFile( "SelectedCustomer.gif" ) ); myImageList->Images->Add( Image::FromFile( "UnselectedOrder.gif" ) ); myImageList->Images->Add( Image::FromFile( "SelectedOrder.gif" ) ); // Assign the ImageList to the TreeView. myTreeView->ImageList = myImageList; // Set the TreeView control's default image and selected image indexes. myTreeView->ImageIndex = 0; myTreeView->SelectedImageIndex = 1; /* Set the index of image from the ImageList for selected and unselected tree nodes.*/ this->rootImageIndex = 2; this->selectedCustomerImageIndex = 3; this->unselectedCustomerImageIndex = 4; this->selectedOrderImageIndex = 5; this->unselectedOrderImageIndex = 6; // Create the root tree node. TreeNode^ rootNode = gcnew TreeNode( "CustomerList" ); rootNode->ImageIndex = rootImageIndex; rootNode->SelectedImageIndex = rootImageIndex; // Add a main root tree node. myTreeView->Nodes->Add( rootNode ); // Add a root tree node for each Customer object in the ArrayList. IEnumerator^ myEnum = customerArray->GetEnumerator(); while ( myEnum->MoveNext() ) { Customer^ myCustomer = safe_cast<Customer^>(myEnum->Current); // Add a child tree node for each Order object. int countIndex = 0; array<TreeNode^>^myTreeNodeArray = gcnew array<TreeNode^>(myCustomer->CustomerOrders->Count); IEnumerator^ myEnum = myCustomer->CustomerOrders->GetEnumerator(); while ( myEnum->MoveNext() ) { Order^ myOrder = safe_cast<Order^>(myEnum->Current); // Add the Order tree node to the array. myTreeNodeArray[ countIndex ] = gcnew TreeNode( myOrder->OrderID,unselectedOrderImageIndex,selectedOrderImageIndex ); countIndex++; } TreeNode^ customerNode = gcnew TreeNode( myCustomer->CustomerName,unselectedCustomerImageIndex,selectedCustomerImageIndex,myTreeNodeArray ); myTreeView->Nodes[ 0 ]->Nodes->Add( customerNode ); } }
private void FillTreeView() { // Load the images in an ImageList. ImageList myImageList = new ImageList(); myImageList.get_Images().Add(Image.FromFile("Default.gif")); myImageList.get_Images().Add(Image.FromFile("SelectedDefault.gif")); myImageList.get_Images().Add(Image.FromFile("Root.gif")); myImageList.get_Images().Add(Image.FromFile("UnselectedCustomer.gif")); myImageList.get_Images().Add(Image.FromFile("SelectedCustomer.gif")); myImageList.get_Images().Add(Image.FromFile("UnselectedOrder.gif")); myImageList.get_Images().Add(Image.FromFile("SelectedOrder.gif")); // Assign the ImageList to the TreeView. myTreeView.set_ImageList(myImageList); // Set the TreeView control's default image and selected image indexes. myTreeView.set_ImageIndex(0); myTreeView.set_SelectedImageIndex(1); /* Set the index of image from the ImageList for selected and unselected tree nodes.*/ this.rootImageIndex = 2; this.selectedCustomerImageIndex = 3; this.unselectedCustomerImageIndex = 4; this.selectedOrderImageIndex = 5; this.unselectedOrderImageIndex = 6; // Create the root tree node. TreeNode rootNode = new TreeNode("CustomerList"); rootNode.set_ImageIndex(rootImageIndex); rootNode.set_SelectedImageIndex(rootImageIndex); // Add a main root tree node. myTreeView.get_Nodes().Add(rootNode); // Add a root tree node for each Customer object in the ArrayList. for (int iCtr1 = 0; iCtr1 < customerArray.get_Count(); iCtr1++) { Customer myCustomer = (Customer)customerArray.get_Item(iCtr1); // Add a child tree node for each Order object. int countIndex = 0; TreeNode myTreeNodeArray[] = new TreeNode[myCustomer.customerOrders.get_Count()]; for (int iCtr2 = 0; iCtr2 < myCustomer.customerOrders.get_Count(); iCtr2++) { Order myOrder = (Order)myCustomer.customerOrders.get_Item(iCtr2); // Add the Order tree node to the array. myTreeNodeArray.set_Item(countIndex, new TreeNode(myOrder.orderID, unselectedOrderImageIndex, selectedOrderImageIndex)); countIndex++; } // Add the Customer tree node. TreeNode customerNode = new TreeNode(myCustomer.customerName, unselectedCustomerImageIndex, selectedCustomerImageIndex, myTreeNodeArray); myTreeView.get_Nodes().get_Item(0).get_Nodes().Add(customerNode); } } //FillTreeView
Plates-formesWindows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile pour Pocket PC, Windows Mobile pour Smartphone, Windows Server 2003, Windows XP Édition Media Center, Windows XP Professionnel Édition x64, Windows XP SP2, Windows XP Starter Edition
Le .NET Framework ne prend pas en charge toutes les versions de chaque plate-forme. Pour obtenir la liste des versions prises en charge, consultez Configuration requise.
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