Página Class

Representa el contenido al que puede navegar un control Frame.

Herencia

Object
  DependencyObject
    UIElement
      FrameworkElement
        Control
          UserControl
            Page

Sintaxis


public class Page : UserControl


<Page .../>
-or-
<Page ...>
  singleRootElement
</Page>

XAML Values

singleRootElement

Un único elemento de objeto XAML que incluye el contenido previsto de la página más adelante en su propia composición de XAML. Suele ser un control de panel o de elementos.

Atributos

[MarshalingBehavior(Agile)]
[Threading(Both)]
[Version(0x06020000)]
[WebHostHidden()]

Members

A continuación se indican los tipos de miembros de Page (Clase):

Constructores

A continuación se indican los constructores de Page (Clase).

ConstructorDescripción
Page Initializes a new instance of the Page class.

 

Eventos

A continuación se indican los eventos de Page (Clase).

EventoDescripción
DataContextChanged Occurs when the value of the FrameworkElement.DataContext property changes. (Se hereda de FrameworkElement)
DoubleTapped Occurs when an otherwise unhandled DoubleTap interaction occurs over the hit test area of this element. (Se hereda de UIElement)
DragEnter Occurs when the input system reports an underlying drag event with this element as the target. (Se hereda de UIElement)
DragLeave Occurs when the input system reports an underlying drag event with this element as the origin. (Se hereda de UIElement)
DragOver Occurs when the input system reports an underlying drag event with this element as the potential drop target. (Se hereda de UIElement)
Drop Occurs when the input system reports an underlying drop event with this element as the drop target. (Se hereda de UIElement)
GotFocus Occurs when a UIElement receives focus. (Se hereda de UIElement)
Holding Occurs when an otherwise unhandled Hold interaction occurs over the hit test area of this element. (Se hereda de UIElement)
IsEnabledChanged Occurs when the IsEnabled property changes. (Se hereda de Control)
KeyDown Occurs when a keyboard key is pressed while the UIElement has focus. (Se hereda de UIElement)
KeyUp Occurs when a keyboard key is released while the UIElement has focus. (Se hereda de UIElement)
LayoutUpdated Occurs when the layout of the visual tree changes, due to layout-relevant properties changing value or some other action that refreshes the layout. (Se hereda de FrameworkElement)
Loaded Occurs when a FrameworkElement has been constructed and added to the object tree, and is ready for interaction. (Se hereda de FrameworkElement)
LostFocus Occurs when a UIElement loses focus. (Se hereda de UIElement)
ManipulationCompleted Occurs when a manipulation on the UIElement is complete. (Se hereda de UIElement)
ManipulationDelta Occurs when the input device changes position during a manipulation. (Se hereda de UIElement)
ManipulationInertiaStarting Occurs when the input device loses contact with the UIElement object during a manipulation and inertia begins. (Se hereda de UIElement)
ManipulationStarted Occurs when an input device begins a manipulation on the UIElement. (Se hereda de UIElement)
ManipulationStarting Occurs when the manipulation processor is first created. (Se hereda de UIElement)
PointerCanceled Occurs when a pointer that made contact abnormally loses contact. (Se hereda de UIElement)
PointerCaptureLost Occurs when pointer capture previously held by this element moves to another element or elsewhere. (Se hereda de UIElement)
PointerEntered Occurs when a pointer enters the hit test area of this element. (Se hereda de UIElement)
PointerExited Occurs when a pointer leaves the hit test area of this element. (Se hereda de UIElement)
PointerMoved Occurs when a pointer moves while the pointer remains within the hit test area of this element. (Se hereda de UIElement)
PointerPressed Occurs when the pointer device initiates a Press action within this element. (Se hereda de UIElement)
PointerReleased Occurs when the pointer device that previously initiated a Press action is released, while within this element. (Se hereda de UIElement)
PointerWheelChanged Occurs when the delta value of a pointer wheel changes. (Se hereda de UIElement)
RightTapped Occurs when a right-tap input stimulus happens while the pointer is over the element. (Se hereda de UIElement)
SizeChanged Occurs when either the ActualHeight or the ActualWidth property changes value on a FrameworkElement. (Se hereda de FrameworkElement)
Tapped Occurs when an otherwise unhandled Tap interaction occurs over the hit test area of this element. (Se hereda de UIElement)
Unloaded Occurs when this object is no longer connected to the main object tree. (Se hereda de FrameworkElement)

 

Métodos

The Page Clase tiene estos métodos. También hereda métodos de Object Clase.

MétodoDescripción
AddHandler Adds a routed event handler for a specified routed event, adding the handler to the handler collection on the current element. Specify handledEventsToo as true to have the provided handler be invoked even if the event is handled elsewhere. (Se hereda de UIElement)
ApplyTemplate Loads the relevant control template so that its parts can be referenced. (Se hereda de Control)
Arrange Positions child objects and determines a size for a UIElement. Parent objects that implement custom layout for their child elements should call this method from their layout override implementations to form a recursive layout update. (Se hereda de UIElement)
ArrangeOverride Provides the behavior for the Arrange pass of layout. Classes can override this method to define their own Arrange pass behavior. (Se hereda de FrameworkElement)
CancelDirectManipulations Cancels ongoing direct manipulation processing (system-defined panning/zooming) on any ScrollViewer parent that contains the current UIElement. (Se hereda de UIElement)
CapturePointer Sets pointer capture to a UIElement. Once captured, only the element that has capture will fire pointer-related events. (Se hereda de UIElement)
ClearValue Clears the local value of a dependency property. (Se hereda de DependencyObject)
FindName Retrieves an object that has the specified identifier name. (Se hereda de FrameworkElement)
FindSubElementsForTouchTargeting Enables a UIElement subclass to expose child elements that assist with resolving touch targeting. (Se hereda de UIElement)
Focus Attempts to set the focus on the control. (Se hereda de Control)
GetAnimationBaseValue Returns any base value established for a dependency property, which would apply in cases where an animation is not active. (Se hereda de DependencyObject)
GetBindingExpression Returns the BindingExpression that represents the binding on the specified property. (Se hereda de FrameworkElement)
GetTemplateChild Retrieves the named element in the instantiated ControlTemplate visual tree. (Se hereda de Control)
GetValue Returns the current effective value of a dependency property from a DependencyObject. (Se hereda de DependencyObject)
GoToElementStateCore When implemented in a derived class, enables per-state construction of a visual tree for a control template in code, rather than by loading XAML for all states at control startup. (Se hereda de FrameworkElement)
InvalidateArrange Invalidates the arrange state (layout) for a UIElement. After the invalidation, the UIElement will have its layout updated, which will occur asynchronously. (Se hereda de UIElement)
InvalidateMeasure Invalidates the measurement state (layout) for a UIElement. (Se hereda de UIElement)
Measure Updates the DesiredSize of a UIElement. Typically, objects that implement custom layout for their layout children call this method from their own MeasureOverride implementations to form a recursive layout update. (Se hereda de UIElement)
MeasureOverride Provides the behavior for the Measure pass of the layout cycle. Classes can override this method to define their own Measure pass behavior. (Se hereda de FrameworkElement)
OnApplyTemplate Invoked whenever application code or internal processes (such as a rebuilding layout pass) call ApplyTemplate. In simplest terms, this means the method is called just before a UI element displays in your app. Override this method to influence the default post-template logic of a class. (Se hereda de FrameworkElement)
OnCreateAutomationPeer When implemented in a derived class, returns class-specific AutomationPeer implementations for the Microsoft UI Automation infrastructure. (Se hereda de UIElement)
OnDisconnectVisualChildren Override this method to implement how layout and logic should behave when items are removed from a class-specific content or children property. (Se hereda de UIElement)
OnDoubleTapped Called before the DoubleTapped event occurs. (Se hereda de Control)
OnDragEnter Called before the DragEnter event occurs. (Se hereda de Control)
OnDragLeave Called before the DragLeave event occurs. (Se hereda de Control)
OnDragOver Called before the DragOver event occurs. (Se hereda de Control)
OnDrop Called before the Drop event occurs. (Se hereda de Control)
OnGotFocus Called before the GotFocus event occurs. (Se hereda de Control)
OnHolding Called before the Holding event occurs. (Se hereda de Control)
OnKeyDown Called before the KeyDown event occurs. (Se hereda de Control)
OnKeyUp Called before the KeyUp event occurs. (Se hereda de Control)
OnLostFocus Called before the LostFocus event occurs. (Se hereda de Control)
OnManipulationCompleted Called before the ManipulationCompleted event occurs. (Se hereda de Control)
OnManipulationDelta Called before the ManipulationDelta event occurs. (Se hereda de Control)
OnManipulationInertiaStarting Called before the ManipulationInertiaStarting event occurs. (Se hereda de Control)
OnManipulationStarted Called before the ManipulationStarted event occurs. (Se hereda de Control)
OnManipulationStarting Called before the ManipulationStarting event occurs. (Se hereda de Control)
OnNavigatedFrom Invoked immediately after the Page is unloaded and is no longer the current source of a parent Frame.
OnNavigatedTo Invoked when the Page is loaded and becomes the current source of a parent Frame.
OnNavigatingFrom Invoked immediately before the Page is unloaded and is no longer the current source of a parent Frame.
OnPointerCanceled Called before the PointerCanceled event occurs. (Se hereda de Control)
OnPointerCaptureLost Called before the PointerCaptureLost event occurs. (Se hereda de Control)
OnPointerEntered Called before the PointerEntered event occurs. (Se hereda de Control)
OnPointerExited Called before the PointerExited event occurs. (Se hereda de Control)
OnPointerMoved Called before the PointerMoved event occurs. (Se hereda de Control)
OnPointerPressed Called before the PointerPressed event occurs. (Se hereda de Control)
OnPointerReleased Called before the PointerReleased event occurs. (Se hereda de Control)
OnPointerWheelChanged Called before the PointerWheelChanged event occurs. (Se hereda de Control)
OnRightTapped Called before the RightTapped event occurs. (Se hereda de Control)
OnTapped Called before the Tapped event occurs. (Se hereda de Control)
ReadLocalValue Returns the local value of a dependency property, if a local value is set. (Se hereda de DependencyObject)
ReleasePointerCapture Releases pointer captures for capture of one specific pointer by this UIElement. (Se hereda de UIElement)
ReleasePointerCaptures Releases all pointer captures held by this element. (Se hereda de UIElement)
RemoveHandler Removes the specified routed event handler from this UIElement. Typically the handler in question was added by AddHandler. (Se hereda de UIElement)
SetBinding Attaches a binding to a FrameworkElement, using the provided binding object. (Se hereda de FrameworkElement)
SetValue Sets the local value of a dependency property on a DependencyObject. (Se hereda de DependencyObject)
TransformToVisual Returns a transform object that can be used to transform coordinates from the UIElement to the specified object. (Se hereda de UIElement)
UpdateLayout Ensures that all positions of child objects of a UIElement are properly updated for layout. (Se hereda de UIElement)

 

Propiedades

PageClase tiene estas propiedades.

PropiedadTipo de accesoDescripción

ActualHeight

De sólo lecturaGets the rendered height of a FrameworkElement. (Se hereda de FrameworkElement)

ActualWidth

De sólo lecturaGets the rendered width of a FrameworkElement. (Se hereda de FrameworkElement)

AllowDrop

Lectura/escrituraGets or sets a value that determines whether this UIElement can be a drop target for purposes of drag-and-drop operations. (Se hereda de UIElement)

Background

Lectura/escrituraGets or sets a brush that provides the background of the control. (Se hereda de Control)

BaseUri

De sólo lecturaGets a Uniform Resource Identifier (URI) that represents the base Uniform Resource Identifier (URI) for an XAML-constructed object at XAML load time. This property is useful for Uniform Resource Identifier (URI) resolution at run time. (Se hereda de FrameworkElement)

BorderBrush

Lectura/escrituraGets or sets a brush that describes the border background of a control. (Se hereda de Control)

BorderThickness

Lectura/escrituraGets or sets the border thickness of a control. (Se hereda de Control)

BottomAppBar

Lectura/escrituraGets a reference to an AppBar displayed at the bottom of the page, if any.

BottomAppBarProperty

De sólo lecturaIdentifies the BottomAppBar dependency property.

CacheMode

Lectura/escrituraGets or sets a value that indicates that rendered content should be cached as a composited bitmap when possible. (Se hereda de UIElement)

CharacterSpacing

Lectura/escrituraGets or sets the uniform spacing between characters, in units of 1/1000 of an em. (Se hereda de Control)

Clip

Lectura/escrituraGets or sets the RectangleGeometry used to define the outline of the contents of a UIElement. (Se hereda de UIElement)

CompositeMode

Lectura/escrituraGets or sets a property that declares alternate composition and blending modes for the element in its parent layout and window. This is relevant for elements that are involved in a mixed XAML / Microsoft DirectX UI. (Se hereda de UIElement)

Content

Lectura/escrituraGets or sets the content that is contained within a user control. (Se hereda de UserControl)

DataContext

Lectura/escrituraGets or sets the data context for a FrameworkElement when it participates in data binding. (Se hereda de FrameworkElement)

DefaultStyleKey

Lectura/escrituraGets or sets the key that references the default style for the control. Authors of custom controls use this property to change the default for the style that their control uses. (Se hereda de Control)

DesiredSize

De sólo lecturaGets the size that this UIElement computed during the measure pass of the layout process. (Se hereda de UIElement)

Dispatcher

De sólo lecturaGets the CoreDispatcher that this object is associated with. (Se hereda de DependencyObject)

FlowDirection

Lectura/escrituraGets or sets the direction in which text and other UI elements flow within any parent element that controls their layout. This property can be set to either LeftToRight or RightToLeft. Setting FlowDirection to RightToLeft on any element sets the alignment to the right, the reading order to right-to-left and the layout of the control to flow from right to left. (Se hereda de FrameworkElement)

FocusState

De sólo lecturaGets a value that specifies whether this control has focus, and the mode by which focus was obtained. (Se hereda de Control)

FontFamily

Lectura/escrituraGets or sets the font used to display text in the control. (Se hereda de Control)

FontSize

Lectura/escrituraGets or sets the size of the text in this control. (Se hereda de Control)

FontStretch

Lectura/escrituraGets or sets the degree to which a font is condensed or expanded on the screen. (Se hereda de Control)

FontStyle

Lectura/escrituraGets or sets the style in which the text is rendered. (Se hereda de Control)

FontWeight

Lectura/escrituraGets or sets the thickness of the specified font. (Se hereda de Control)

Foreground

Lectura/escrituraGets or sets a brush that describes the foreground color. (Se hereda de Control)

Frame

De sólo lecturaGets the controlling Frame for the Page content.

FrameProperty

De sólo lecturaIdentifies the Frame dependency property.

Height

Lectura/escrituraGets or sets the suggested height of a FrameworkElement. (Se hereda de FrameworkElement)

HorizontalAlignment

Lectura/escrituraGets or sets the horizontal alignment characteristics that are applied to a FrameworkElement when it is composed in a layout parent, such as a panel or items control. (Se hereda de FrameworkElement)

HorizontalContentAlignment

Lectura/escrituraGets or sets the horizontal alignment of the control's content. (Se hereda de Control)

IsDoubleTapEnabled

Lectura/escrituraGets or sets a value that determines whether the DoubleTapped event can originate from that element. (Se hereda de UIElement)

IsEnabled

Lectura/escrituraGets or sets a value indicating whether the user can interact with the control. (Se hereda de Control)

IsHitTestVisible

Lectura/escrituraGets or sets whether the contained area of this UIElement can return true values for hit testing. (Se hereda de UIElement)

IsHoldingEnabled

Lectura/escrituraGets or sets a value that determines whether the Holding event can originate from that element. (Se hereda de UIElement)

IsRightTapEnabled

Lectura/escrituraGets or sets a value that determines whether the RightTapped event can originate from that element. (Se hereda de UIElement)

IsTabStop

Lectura/escrituraGets or sets a value that indicates whether a control is included in tab navigation. (Se hereda de Control)

IsTapEnabled

Lectura/escrituraGets or sets a value that determines whether the Tapped event can originate from that element. (Se hereda de UIElement)

Language

Lectura/escrituraGets or sets localization/globalization language information that applies to a FrameworkElement, and also to all child elements of the current FrameworkElement in the object representation and in UI. (Se hereda de FrameworkElement)

ManipulationMode

Lectura/escrituraGets or sets the ManipulationModes value used for UIElement behavior and interaction with gestures. Setting this value enables handling the manipulation events from this element in app code. (Se hereda de UIElement)

Margin

Lectura/escrituraGets or sets the outer margin of a FrameworkElement. (Se hereda de FrameworkElement)

MaxHeight

Lectura/escrituraGets or sets the maximum height constraint of a FrameworkElement. (Se hereda de FrameworkElement)

MaxWidth

Lectura/escrituraGets or sets the maximum width constraint of a FrameworkElement. (Se hereda de FrameworkElement)

MinHeight

Lectura/escrituraGets or sets the minimum height constraint of a FrameworkElement. (Se hereda de FrameworkElement)

MinWidth

Lectura/escrituraGets or sets the minimum width constraint of a FrameworkElement. (Se hereda de FrameworkElement)

Name

Lectura/escrituraGets or sets the identifying name of the object. When a XAML processor creates the object tree from XAML markup, run-time code can refer to the XAML-declared object by this name. (Se hereda de FrameworkElement)

NavigationCacheMode

Lectura/escrituraGets or sets the navigation mode that indicates whether this Page is cached, and the period of time that the cache entry should persist.

Opacity

Lectura/escrituraGets or sets the degree of the object's opacity. (Se hereda de UIElement)

Padding

Lectura/escrituraGets or sets the padding inside a control. (Se hereda de Control)

Parent

De sólo lecturaGets the parent object of this FrameworkElement in the object tree. (Se hereda de FrameworkElement)

PointerCaptures

De sólo lecturaGets the set of all captured pointers, represented as Pointer values. (Se hereda de UIElement)

Projection

Lectura/escrituraGets or sets the perspective projection (3-D effect) to apply when rendering this element. (Se hereda de UIElement)

RenderSize

De sólo lecturaGets the final render size of a UIElement. (Se hereda de UIElement)

RenderTransform

Lectura/escrituraGets or sets transform information that affects the rendering position of a UIElement. (Se hereda de UIElement)

RenderTransformOrigin

Lectura/escrituraGets or sets the origin point of any possible render transform declared by RenderTransform, relative to the bounds of the UIElement. (Se hereda de UIElement)

RequestedTheme

Lectura/escrituraGets or sets the UI theme that is used by the UIElement (and its child elements) for resource determination. The UI theme you specify with RequestedTheme can override the app-level RequestedTheme. (Se hereda de FrameworkElement)

Resources

Lectura/escrituraGets the locally defined resource dictionary. In XAML, you can establish resource items as child object elements of a frameworkElement.Resources property element, through XAML implicit collection syntax. (Se hereda de FrameworkElement)

Style

Lectura/escrituraGets or sets an instance Style that is applied for this object during layout and rendering. (Se hereda de FrameworkElement)

TabIndex

Lectura/escrituraGets or sets a value that determines the order in which elements receive focus when the user navigates through controls by pressing the Tab key. (Se hereda de Control)

TabNavigation

Lectura/escrituraGets or sets a value that modifies how tabbing and TabIndex work for this control. (Se hereda de Control)

Tag

Lectura/escrituraGets or sets an arbitrary object value that can be used to store custom information about this object. (Se hereda de FrameworkElement)

Template

Lectura/escrituraGets or sets a control template. The control template defines the visual appearance of a control in UI, and is defined in XAML markup. (Se hereda de Control)

TopAppBar

Lectura/escrituraGets a reference to an AppBar displayed at the top of the page, if any.

TopAppBarProperty

De sólo lecturaIdentifies the TopAppBar dependency property.

Transitions

Lectura/escrituraGets or sets the collection of Transition style elements that apply to a UIElement. (Se hereda de UIElement)

Triggers

De sólo lecturaGets the collection of triggers for animations that are defined for a FrameworkElement. Not commonly used. (Se hereda de FrameworkElement)

UseLayoutRounding

Lectura/escrituraGets or sets a value that determines whether rendering for the object and its visual subtree should use rounding behavior that aligns rendering to whole pixels. (Se hereda de UIElement)

VerticalAlignment

Lectura/escrituraGets or sets the vertical alignment characteristics that are applied to a FrameworkElement when it is composed in a parent object such as a panel or items control. (Se hereda de FrameworkElement)

VerticalContentAlignment

Lectura/escrituraGets or sets the vertical alignment of the control's content. (Se hereda de Control)

Visibility

Lectura/escrituraGets or sets the visibility of a UIElement. A UIElement that is not visible is not rendered and does not communicate its desired size to layout. (Se hereda de UIElement)

Width

Lectura/escrituraGets or sets the width of a FrameworkElement. (Se hereda de FrameworkElement)

 

Comentarios

La clase Page encapsula el contenido al que el control Frame puede navegar. En general, creará sus propios tipos de páginas derivados de la clase Page y utilizará Page como elemento raíz del contenido declarado con XAML. Puede crear tantos tipos diferentes de página como sea necesario para presentar el contenido en la aplicación, y navegar a esas páginas llamando al método Frame.Navigate y pasando el tipo de la página a la que desea navegar. También puede pasar un objeto de parámetro para inicializar la página en un estado determinado.

De forma predeterminada, cada navegación crea una nueva instancia de la subclase Page específica solicitada y elimina la instancia de la página anterior. Esto ocurre incluso cuando vuelve a una página visitada previamente o cuando el tipo de la página nueva es igual que el de la página anterior. Las aplicaciones que implican la navegación frecuente a las mismas páginas pueden almacenar en caché y volver a usar las instancias de página para hacer que la navegación más eficaz. Para ello, establezca la propiedad Frame.CacheSize para especificar cuántas páginas se almacenarán en caché. Para cada tipo de página que desea almacenar en caché, también debe establecer la propiedad NavigationCacheMode en Enabled o Required. Las páginas con un modo de caché de Required se almacenan en caché independientemente del valor de CacheSize y no cuentan para el total de CacheSize.

Puede invalidar los métodos OnNavigatedTo, OnNavigatingFrom y OnNavigatedFrom de la página para realizar tareas como inicializar y guardar el estado de la página.

Ejemplos

El ejemplo de código siguiente muestra la invalidación del método OnLaunched generada para la plantilla en blanco de la aplicación en Visual Studio. Este código muestra cómo el contenido de la ventana de la aplicación se establece en un nuevo objeto Frame, que después navega al objeto Page inicial predeterminado.


protected override void OnLaunched(LaunchActivatedEventArgs args)
{
    // Create a Frame to act navigation context and navigate to the first page
    var rootFrame = new Frame();
    rootFrame.Navigate(typeof(MainPage));

    // Place the frame in the current Window and ensure that it is active
    Window.Current.Content = rootFrame;
    Window.Current.Activate();
}


Requisitos

Cliente mínimo admitido

Windows 8 [Solo aplicaciones de la Tienda Windows]

Servidor mínimo admitido

Windows Server 2012 [Solo aplicaciones de la Tienda Windows]

Espacio de nombres

Windows.UI.Xaml.Controls
Windows::UI::Xaml::Controls [C++]

Metadatos

Windows.winmd

Vea también

Frame
UserControl
Inicio rápido: navegar entre páginas

 

 

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