TreeView.HideSelection TreeView.HideSelection TreeView.HideSelection TreeView.HideSelection Property

Definición

Obtiene o establece un valor que indica si el nodo de árbol seleccionado permanece resaltado aun cuando la vista de árbol pierda el foco.Gets or sets a value indicating whether the selected tree node remains highlighted even when the tree view has lost the focus.

public:
 property bool HideSelection { bool get(); void set(bool value); };
public bool HideSelection { get; set; }
member this.HideSelection : bool with get, set
Public Property HideSelection As Boolean

Valor de propiedad

Es true si el nodo de árbol seleccionado no está resaltado cuando la vista de árbol ha perdido el foco; en caso contrario, es false.true if the selected tree node is not highlighted when the tree view has lost the focus; otherwise, false. De manera predeterminada, es true.The default is true.

Ejemplos

En el ejemplo de código siguiente se muestra cómo usar el HideSelection propiedad.The following code example demonstrates how to use the HideSelection property. Para ejecutar este ejemplo, pegue el código siguiente en un formulario y llame a la InitializeSelectedTreeView método en el constructor del formulario o Load controlador de eventos.To run this example, paste the following code in a form and call the InitializeSelectedTreeView method in the form's constructor or Load event handler.

System::Windows::Forms::TreeView^ TreeView2;

// Initialize the TreeView to blend with the form, giving it the 
// same color as the form and no border.
void InitializeSelectedTreeView()
{
   
   // Create a new TreeView control and set the location and size.
   this->TreeView2 = gcnew System::Windows::Forms::TreeView;
   this->TreeView2->Location = System::Drawing::Point( 72, 48 );
   this->TreeView2->Size = System::Drawing::Size( 200, 200 );
   this->TreeView2->BorderStyle = BorderStyle::Fixed3D;
   
   // Set the HideSelection property to false to keep the 
   // selection highlighted when the user leaves the control. 
   this->TreeView1->HideSelection = false;
   
   // Add the nodes.
   array<TreeNode^>^temp0 = {gcnew TreeNode( "Full Color" ),gcnew TreeNode( "Project Wizards" ),gcnew TreeNode( "Visual C# and Visual Basic Support" )};
   array<TreeNode^>^temp1 = {gcnew TreeNode( "Pentium 133 MHz or faster processor " ),gcnew TreeNode( "Windows 98 or later" ),gcnew TreeNode( "100 MB Disk space" )};
   array<TreeNode^>^temp2 = {gcnew TreeNode( "Features",temp0 ),gcnew TreeNode( "System Requirements",temp1 )};
   this->TreeView1->Nodes->AddRange( temp2 );
   
   // Set the tab index and add the TreeView to the form.
   this->TreeView1->TabIndex = 0;
   this->Controls->Add( this->TreeView1 );
}


// Declare the TreeView control.
internal System.Windows.Forms.TreeView TreeView2;

// Initialize the TreeView to blend with the form, giving it the 
// same color as the form and no border.
private void InitializeSelectedTreeView()
{

	// Create a new TreeView control and set the location and size.
	this.TreeView2 = new System.Windows.Forms.TreeView();
	this.TreeView2.Location = new System.Drawing.Point(72, 48);
	this.TreeView2.Size = new System.Drawing.Size(200, 200);

	this.TreeView2.BorderStyle = BorderStyle.Fixed3D;
	
	// Set the HideSelection property to false to keep the 
	// selection highlighted when the user leaves the control. 
	// This helps it blend with form.
	this.TreeView2.HideSelection = false;

	// Add the nodes.
	this.TreeView2.Nodes.AddRange(new TreeNode[]
		{new TreeNode("Features", 
			new TreeNode[]{
			new TreeNode("Full Color"), 
			new TreeNode("Project Wizards"), 
			new TreeNode("Visual C# and Visual Basic Support")}), 
			new TreeNode("System Requirements", 
			new TreeNode[]{
				new TreeNode("Pentium 133 MHz or faster processor "),
				new TreeNode("Windows 98 or later"), 
				new TreeNode("100 MB Disk space")})
		});

	// Set the tab index and add the TreeView to the form.
	this.TreeView2.TabIndex = 0;
	this.Controls.Add(this.TreeView2);
}

' Declare the TreeView control.
Friend WithEvents TreeView2 As System.Windows.Forms.TreeView

' Initialize the TreeView to blend with the form, giving it the 
' same color as the form and no border.
Private Sub InitializeSelectedTreeView()

    ' Create a new TreeView control and set the location and size.
    Me.TreeView2 = New System.Windows.Forms.TreeView
    Me.TreeView2.Location = New System.Drawing.Point(72, 48)
    Me.TreeView2.Size = New System.Drawing.Size(200, 200)
    Me.TreeView2.BorderStyle = BorderStyle.Fixed3D
   
    ' Set the HideSelection property to false to keep the 
    ' selection highlighted when the user leaves the control. 
    Me.TreeView2.HideSelection = False

    ' Add the nodes.
    Me.TreeView2.Nodes.AddRange(New System.Windows.Forms.TreeNode() _
        {New System.Windows.Forms.TreeNode("Features", _
        New System.Windows.Forms.TreeNode() _
        {New System.Windows.Forms.TreeNode("Full Color"), _
        New System.Windows.Forms.TreeNode("Project Wizards"), _
        New System.Windows.Forms.TreeNode("Visual C# and Visual Basic Support")}), _
        New System.Windows.Forms.TreeNode("System Requirements", _
        New System.Windows.Forms.TreeNode() _
        {New System.Windows.Forms.TreeNode _
        ("Pentium 133 MHz or faster processor "), _
        New System.Windows.Forms.TreeNode("Windows 98 or later"), _
        New System.Windows.Forms.TreeNode("100 MB Disk space")})})

    ' Set the tab index and add the TreeView to the form.
    Me.TreeView2.TabIndex = 0
    Me.Controls.Add(Me.TreeView2)
End Sub

Comentarios

Cuando esta propiedad se establece en false, selecciona los nodos en el TreeView control permanecerá resaltado en un color diferente que la selección actual de color cuando el TreeView control pierde el foco.When this property is set to false, selected nodes in the TreeView control remain highlighted in a different color than the current selection color when the TreeView control loses focus. Puede utilizar esta propiedad para mantener los elementos seleccionados por el usuario visible cuando el usuario hace clic en un control diferente en el formulario o se mueve a una ventana diferente.You can use this property to keep items that are selected by the user visible when the user clicks a different control on the form or moves to a different window.

Nota

Si le preocupa la accesibilidad de las aplicaciones, se recomienda que establezca el HideSelection propiedad false.If you are concerned with the accessibility of your applications, it is recommended that you set the HideSelection property to false.

Se aplica a

Consulte también: