MultiPage<T> Class
Definition
Important
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A bindable, templatable base class for pages which contain multiple sub-pages.
[Xamarin.Forms.ContentProperty("Children")]
public abstract class MultiPage<T> : Xamarin.Forms.Page, Xamarin.Forms.IItemsView<T>, Xamarin.Forms.IMultiPageController<T>, Xamarin.Forms.IPageContainer<T>, Xamarin.Forms.IViewContainer<T> where T : Page
type MultiPage<'T (requires 'T :> Page)> = class
inherit Page
interface IViewContainer<'T (requires 'T :> Page)>
interface IPageContainer<'T (requires 'T :> Page)>
interface IItemsView<'T (requires 'T :> Page)>
interface IMultiPageController<'T (requires 'T :> Page)>
Type Parameters
- T
The particular subclass of Page that the MultiPage services.
- Inheritance
- Derived
- Attributes
- Implements
Remarks
Provides a base implementation for binding and templating pages.
Constructors
MultiPage<T>() |
Provides the base initialization for objects derived from the MultiPage<T> class. |
Fields
ActionSheetSignalName |
This method is for internal use. (Inherited from Page) |
AlertSignalName |
This method is for internal use. (Inherited from Page) |
BusySetSignalName |
This method is for internal use. (Inherited from Page) |
ItemsSourceProperty |
Identifies the ItemsSource property. |
ItemTemplateProperty |
Identifies the ItemTemplate bindable property. |
PromptSignalName | (Inherited from Page) |
SelectedItemProperty |
Identifies the SelectedItem bindable property. |
Properties
AnchorX |
Gets or sets the X component of the center point for any transform, relative to the bounds of the element. This is a bindable property. (Inherited from VisualElement) |
AnchorY |
Gets or sets the Y component of the center point for any transform, relative to the bounds of the element. This is a bindable property. (Inherited from VisualElement) |
AutomationId |
Gets or sets a value that allows the automation framework to find and interact with this element. (Inherited from Element) |
Background | (Inherited from VisualElement) |
BackgroundColor |
Gets or sets the color which will fill the background of a VisualElement. This is a bindable property. (Inherited from VisualElement) |
BackgroundImage |
Obsolete.
Identifies the image used as a background for the Page. (Inherited from Page) |
BackgroundImageSource | (Inherited from Page) |
Batched |
For internal use by the Xamarin.Forms platform. (Inherited from VisualElement) |
Behaviors |
Gets the list of Behaviors associated to this element. This is a bindable property. (Inherited from VisualElement) |
BindingContext |
Gets or sets object that contains the properties that will be targeted by the bound properties that belong to this BindableObject. (Inherited from BindableObject) |
Bounds |
Gets the bounds of the element. (Inherited from VisualElement) |
Children |
Gets an IList<Page> of child elements of the MultiPage. |
class | (Inherited from NavigableElement) |
ClassId |
Gets or sets a value used to identify a collection of semantically similar elements. (Inherited from Element) |
Clip | (Inherited from VisualElement) |
ContainerArea |
For internal use by the Xamarin.Forms platform. (Inherited from Page) |
CurrentPage |
Gets or sets the currently selected page. |
DisableLayout |
For internal use by the Xamarin.Forms platform. (Inherited from VisualElement) |
Dispatcher | (Inherited from BindableObject) |
EffectControlProvider |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
Effects |
A list of the effects that are applied to this item. (Inherited from Element) |
FlowDirection |
Gets or sets the layout flow direction. (Inherited from VisualElement) |
Height |
Gets the current rendered height of this element. This is a read-only bindable property. (Inherited from VisualElement) |
HeightRequest |
Gets or sets the desired height override of this element. (Inherited from VisualElement) |
Icon |
Obsolete.
Resource identifier for the Page's associated icon. (Inherited from Page) |
IconImageSource | (Inherited from Page) |
Id |
Gets a value that can be used to uniquely identify an element through the run of an application. (Inherited from Element) |
IgnoresContainerArea |
For internal use by the Xamarin.Forms platform. (Inherited from Page) |
InputTransparent |
Gets or sets a value indicating whether this element should be involved in the user interaction cycle. This is a bindable property. (Inherited from VisualElement) |
InternalChildren |
For internal use by the Xamarin.Forms platform. (Inherited from Page) |
IsBusy |
Marks the Page as busy. This will cause the platform specific global activity indicator to show a busy state. (Inherited from Page) |
IsEnabled |
Gets or sets a value indicating whether this element is enabled in the user interface. This is a bindable property. (Inherited from VisualElement) |
IsFocused |
Gets a value indicating whether this element is focused currently. This is a bindable property. (Inherited from VisualElement) |
IsInNativeLayout |
For internal use by the Xamarin.Forms platform. (Inherited from VisualElement) |
IsNativeStateConsistent |
For internal use by the Xamarin.Forms platform. (Inherited from VisualElement) |
IsPlatformEnabled |
For internal use by the Xamarin.Forms platform. (Inherited from VisualElement) |
IsTabStop |
Gets or sets a value that indicates whether this element is included in tab navigation. This is a bindable property. (Inherited from VisualElement) |
IsVisible |
Gets or sets a value that determines whether this elements should be part of the visual tree or not. This is a bindable property. (Inherited from VisualElement) |
ItemsSource |
The source for the items to be displayed. |
ItemTemplate |
The template for displaying items. |
LogicalChildren |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
MinimumHeightRequest |
Gets or sets a value which overrides the minimum height the element will request during layout. (Inherited from VisualElement) |
MinimumWidthRequest |
Gets or sets a value which overrides the minimum width the element will request during layout. (Inherited from VisualElement) |
Navigation | (Inherited from NavigableElement) |
NavigationProxy | (Inherited from NavigableElement) |
Opacity |
Gets or sets the opacity value applied to the element when it is rendered. This is a bindable property. (Inherited from VisualElement) |
Padding |
The space between the content of the Page and it's border. (Inherited from Page) |
Parent |
Gets or sets the parent element of the element. (Inherited from Element) |
ParentView |
Obsolete.
Gets the element which is the closest ancestor of this element that is a VisualElement. (Inherited from Element) |
Platform |
Obsolete.
(Inherited from Element)
|
RealParent |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
Resources |
Gets or sets the local resource dictionary. (Inherited from VisualElement) |
Rotation |
Gets or sets the rotation (in degrees) about the Z-axis (affine rotation) when the element is rendered. (Inherited from VisualElement) |
RotationX |
Gets or sets the rotation (in degrees) about the X-axis (perspective rotation) when the element is rendered. (Inherited from VisualElement) |
RotationY |
Gets or sets the rotation (in degrees) about the Y-axis (perspective rotation) when the element is rendered. (Inherited from VisualElement) |
Scale |
Gets or sets the scale factor applied to the element. (Inherited from VisualElement) |
ScaleX |
Gets or sets a scale value to apply to the X direction. (Inherited from VisualElement) |
ScaleY |
Gets or sets a scale value to apply to the Y direction. (Inherited from VisualElement) |
SelectedItem |
The currently selected item. |
Style | (Inherited from NavigableElement) |
StyleClass | (Inherited from NavigableElement) |
StyleId |
Gets or sets a user defined value to uniquely identify the element. (Inherited from Element) |
TabIndex | (Inherited from VisualElement) |
Title |
The Page's title. (Inherited from Page) |
ToolbarItems |
A set of ToolbarItems, implemented in a platform-specific manner. (Inherited from Page) |
TranslationX |
Gets or sets the X translation delta of the element. (Inherited from VisualElement) |
TranslationY |
Gets or sets the Y translation delta of the element. (Inherited from VisualElement) |
Triggers |
Gets the list of Trigger associated to this element. This is a bindable property. (Inherited from VisualElement) |
Visual | (Inherited from VisualElement) |
Width |
Gets the current rendered width of this element. This is a read-only bindable property. (Inherited from VisualElement) |
WidthRequest |
Gets or sets the desired width override of this element. (Inherited from VisualElement) |
X |
Gets the current X position of this element. This is a read-only bindable property. (Inherited from VisualElement) |
Y |
Gets the current Y position of this element. This is a read-only bindable property. (Inherited from VisualElement) |
Methods
ApplyBindings() |
Apply the bindings to BindingContext. (Inherited from BindableObject) |
BatchBegin() |
Signals the start of a batch of changes to the elements properties. (Inherited from VisualElement) |
BatchCommit() |
Signals the end of a batch of commands to the element and that those commands should now be committed. (Inherited from VisualElement) |
ChangeVisualState() |
For internal use by the Xamarin.Forms platform. (Inherited from VisualElement) |
ClearValue(BindableProperty) |
Clears any value set by SetValue for |
ClearValue(BindablePropertyKey) |
Clears any value set by SetValue for the property that is identified by |
CoerceValue(BindableProperty) | (Inherited from BindableObject) |
CoerceValue(BindablePropertyKey) | (Inherited from BindableObject) |
CreateDefault(Object) |
Create default provides a default method of creating new pages from objects in a binding scenario. |
Descendants() |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
DisplayActionSheet(String, String, String, String[]) |
Displays a native platform action sheet, allowing the application user to choose from several buttons. (Inherited from Page) |
DisplayAlert(String, String, String, String) |
Presents an alert dialog to the application user with an accept and a cancel button. (Inherited from Page) |
DisplayAlert(String, String, String) |
Presents an alert dialog to the application user with a single cancel button. (Inherited from Page) |
DisplayPromptAsync(String, String, String, String, String, Int32, Keyboard, String) | (Inherited from Page) |
DisplayPromptAsync(String, String, String, String, String, Int32, Keyboard) |
Obsolete.
(Inherited from Page)
|
EffectIsAttached(String) |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
FindByName(String) |
Returns the element that has the specified name. (Inherited from Element) |
Focus() |
Attemps to set focus to this element. (Inherited from VisualElement) |
ForceLayout() |
Forces the Page to perform a layout pass. (Inherited from Page) |
GetIndex(T) |
For internal use by the Xamarin.Forms platform. |
GetPageByIndex(Int32) |
For internal use by the Xamarin.Forms platform. |
GetSizeRequest(Double, Double) |
Obsolete.
Returns the SizeRequest of the element. Calling this method begins the measure pass of a layout cycle. (Inherited from VisualElement) |
GetValue(BindableProperty) |
Returns the value that is contained in the BindableProperty. (Inherited from BindableObject) |
GetValues(BindableProperty, BindableProperty, BindableProperty) |
Obsolete.
For internal use by the Xamarin.Forms platform. (Inherited from BindableObject) |
GetValues(BindableProperty, BindableProperty) |
Obsolete.
For internal use by the Xamarin.Forms platform. (Inherited from BindableObject) |
InvalidateMeasure() |
Method that is called to invalidate the layout of this VisualElement. Raises the MeasureInvalidated event. (Inherited from VisualElement) |
InvalidateMeasureNonVirtual(InvalidationTrigger) |
For internal use by the Xamarin.Forms platform. (Inherited from VisualElement) |
IsSet(BindableProperty) |
Returns |
Layout(Rectangle) |
Updates the bounds of the element during the layout cycle. (Inherited from VisualElement) |
LayoutChildren(Double, Double, Double, Double) |
Lays out children Elements into the specified area. (Inherited from Page) |
Measure(Double, Double, MeasureFlags) |
Returns the minimum size that a visual element needs in order to be displayed on the device. (Inherited from VisualElement) |
NativeSizeChanged() |
For internal use by the Xamarin.Forms platform. (Inherited from VisualElement) |
On<T>() |
Returns the platform-specific instance of this Page, on which a platform-specific method may be called. (Inherited from Page) |
OnAppearing() |
When overridden, allows application developers to customize behavior immediately prior to the Page becoming visible. (Inherited from Page) |
OnBackButtonPressed() |
Event that is raised when the back button is pressed. |
OnBindingContextChanged() |
Invoked whenever the binding context of the Page changes. Override this method to add class handling for this event. (Inherited from Page) |
OnChildAdded(Element) |
Called when a child has been added to the MultiPage<T>. |
OnChildMeasureInvalidated(Object, EventArgs) |
Indicates that the preferred size of a child Element has changed. (Inherited from Page) |
OnChildRemoved(Element, Int32) | (Inherited from VisualElement) |
OnChildRemoved(Element) |
Obsolete.
Application developers can override this method to respond when a child is removed. (Inherited from VisualElement) |
OnChildrenReordered() |
Invoked whenever the ChildrenReordered event is about to be emitted. Implement this method to add class handling for this event. (Inherited from VisualElement) |
OnCurrentPageChanged() |
Raises the CurrentPageChanged event. |
OnDisappearing() |
When overridden, allows the application developer to customize behavior as the Page disappears. (Inherited from Page) |
OnMeasure(Double, Double) |
Method that is called when a layout measurement happens. (Inherited from VisualElement) |
OnPagesChanged(NotifyCollectionChangedEventArgs) |
Called when the pages of the MultiPage<T> have been changed. |
OnParentSet() |
Called when the Page's Parent property has changed. (Inherited from Page) |
OnPropertyChanged(String) |
Called when a bindable property has changed. |
OnPropertyChanging(String) |
Call this method from a child class to notify that a change is going to happen on a property. (Inherited from BindableObject) |
OnSizeAllocated(Double, Double) |
Indicates that the Page has been assigned a size. (Inherited from Page) |
OnSizeRequest(Double, Double) |
Obsolete.
This method is called during the measure pass of a layout cycle to get the desired size of an element. (Inherited from VisualElement) |
OnTabIndexPropertyChanged(Int32, Int32) | (Inherited from VisualElement) |
OnTabStopPropertyChanged(Boolean, Boolean) | (Inherited from VisualElement) |
RemoveBinding(BindableProperty) |
Removes a previously set binding. (Inherited from BindableObject) |
RemoveDynamicResource(BindableProperty) |
Removes a previously set dynamic resource (Inherited from Element) |
SendAppearing() |
For internal use by the Xamarin.Forms platform. (Inherited from Page) |
SendBackButtonPressed() |
Calls OnBackButtonPressed(). (Inherited from Page) |
SendDisappearing() |
For internal use by the Xamarin.Forms platform. (Inherited from Page) |
SetBinding(BindableProperty, BindingBase) |
Assigns a binding to a property. (Inherited from BindableObject) |
SetDynamicResource(BindableProperty, String) |
Sets the BindableProperty property of this element to be updated via the DynamicResource with the provided key. (Inherited from Element) |
SetIndex(Page, Int32) |
For internal use by the Xamarin.Forms platform. |
SetupContent(T, Int32) |
When overridden in a derived class, performs initialization of |
SetValue(BindableProperty, Object) |
Sets the value of the specified property. (Inherited from BindableObject) |
SetValue(BindablePropertyKey, Object) |
Sets the value of the propertyKey. (Inherited from BindableObject) |
SetValueCore(BindableProperty, Object, SetValueFlags) |
For internal use by the Xamarin.Forms platform. (Inherited from BindableObject) |
SetValueFromRenderer(BindableProperty, Object) |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
SetValueFromRenderer(BindablePropertyKey, Object) |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
SizeAllocated(Double, Double) |
SizeAllocated is called during a layout cycle to signal the start of a sub-tree layout. (Inherited from VisualElement) |
TabIndexDefaultValueCreator() | (Inherited from VisualElement) |
TabStopDefaultValueCreator() | (Inherited from VisualElement) |
UnapplyBindings() |
Unapplies all previously set bindings. (Inherited from BindableObject) |
Unfocus() |
Unsets focus to this element. (Inherited from VisualElement) |
UnhookContent(T) |
Application developers override this method to unregister event handlers for items that they registered in SetupContent(T, Int32). |
UpdateChildrenLayout() |
Requests that the children Elements of the Page update their layouts. (Inherited from Page) |
Events
Appearing |
Indicates that the Page is about to appear. (Inherited from Page) |
BatchCommitted |
For internal use by the Xamarin.Forms platform. (Inherited from VisualElement) |
BindingContextChanged |
Raised whenever the BindingContext property changes. (Inherited from BindableObject) |
ChildAdded |
Occurs whenever a child element is added to the element. (Inherited from Element) |
ChildRemoved |
Occurs whenever a child element is removed from the element. (Inherited from Element) |
ChildrenReordered |
Occurs when the Children of a VisualElement have been re-ordered. (Inherited from VisualElement) |
CurrentPageChanged |
Raised when the CurrentPage property changes. |
DescendantAdded |
Occurs whenever a child element is added to the elements subtree. (Inherited from Element) |
DescendantRemoved |
Occurs whenever a child element is removed from the elements subtree. (Inherited from Element) |
Disappearing |
Indicates that the Page is about to cease displaying. (Inherited from Page) |
FocusChangeRequested |
For internal use by the Xamarin.Forms platform. (Inherited from VisualElement) |
Focused |
Occurs when the element receives focus. (Inherited from VisualElement) |
LayoutChanged |
Raised when the layout of the Page has changed. (Inherited from Page) |
MeasureInvalidated |
Event that is raised when the layout of a visual element is invalidated. (Inherited from VisualElement) |
PagesChanged |
Raised when the children pages of the MultiPage<T> have changed. |
PlatformSet |
Obsolete.
(Inherited from Element)
|
PropertyChanged |
Raised when a property has changed. (Inherited from BindableObject) |
PropertyChanging |
Raised when a property is about to change. (Inherited from BindableObject) |
SizeChanged |
Occurs when either the Width or the Height properties change value on this element. (Inherited from VisualElement) |
Unfocused |
Occurs when the element loses focus. (Inherited from VisualElement) |
Explicit Interface Implementations
IDynamicResourceHandler.SetDynamicResource(BindableProperty, String) |
For internal use by the Xamarin.Forms platform. (Inherited from BindableObject) |
IElementController.SetValueFromRenderer(BindableProperty, Object) |
For internal use by the Xamarin.Forms platform. (Inherited from Element) |
IItemsView<T>.CreateDefault(Object) |
For internal use by the Xamarin.Forms platform. |
IItemsView<T>.SetupContent(T, Int32) |
For internal use by the Xamarin.Forms platform. |
IItemsView<T>.UnhookContent(T) |
For internal use by the Xamarin.Forms platform. |
INameScope.RegisterName(String, Object) |
For internal use only. (Inherited from Element) |
IVisualElementController.EffectiveFlowDirection |
Gets the effective visual flow direction for the element on the platform, taking into account the locale and logical flow settings. (Inherited from VisualElement) |
IVisualElementController.InvalidateMeasure(InvalidationTrigger) |
This method is for internal use. (Inherited from VisualElement) |