Behavior<T> Class
Definition
Important
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Base generic class for generalized user-defined behaviors that can respond to arbitrary conditions and events.
public abstract class Behavior<T> : Xamarin.Forms.Behavior where T : BindableObject
type Behavior<'T (requires 'T :> BindableObject)> = class
inherit Behavior
Type Parameters
- T
The type of the objects with which this Behavior<T> can be associated.
- Inheritance
Remarks
Application developers should specialize this generic class, instead of directly using Behavior.
Constructors
Behavior<T>() |
Creates a new Behavior<T> instance. |
Properties
AssociatedType |
Gets the type of the objects with which this Behavior can be associated. (Inherited from Behavior) |
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) |
Dispatcher | (Inherited from BindableObject) |
Methods
ApplyBindings() |
Apply the bindings to BindingContext. (Inherited from BindableObject) |
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) |
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) |
IsSet(BindableProperty) |
Returns |
OnAttachedTo(BindableObject) |
Attaches to the superclass and then calls the OnAttachedTo(T) method on this object. |
OnAttachedTo(T) |
Application developers override this method to implement the behaviors that will be associated with |
OnBindingContextChanged() |
Override this method to execute an action when the BindingContext changes. (Inherited from BindableObject) |
OnDetachingFrom(BindableObject) |
Calls the OnDetachingFrom(T) method and then detaches from the superclass. |
OnDetachingFrom(T) |
Application developers override this method to remove the behaviors from |
OnPropertyChanged(String) |
Call this method from a child class to notify that a change happened on a property. (Inherited from BindableObject) |
OnPropertyChanging(String) |
Call this method from a child class to notify that a change is going to happen on a property. (Inherited from BindableObject) |
RemoveBinding(BindableProperty) |
Removes a previously set binding. (Inherited from BindableObject) |
SetBinding(BindableProperty, BindingBase) |
Assigns a binding to a property. (Inherited from BindableObject) |
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) |
UnapplyBindings() |
Unapplies all previously set bindings. (Inherited from BindableObject) |
Events
BindingContextChanged |
Raised whenever the BindingContext property changes. (Inherited from BindableObject) |
PropertyChanged |
Raised when a property has changed. (Inherited from BindableObject) |
PropertyChanging |
Raised when a property is about to change. (Inherited from BindableObject) |
Explicit Interface Implementations
IDynamicResourceHandler.SetDynamicResource(BindableProperty, String) |
For internal use by the Xamarin.Forms platform. (Inherited from BindableObject) |
Extension Methods
GetPropertyIfSet<T>(BindableObject, BindableProperty, T) | |
SetAppThemeColor(BindableObject, BindableProperty, Color, Color) | |
SetBinding(BindableObject, BindableProperty, String, BindingMode, IValueConverter, String) |
Creates and applies a binding to a property. |
SetBinding<TSource>(BindableObject, BindableProperty, Expression<Func<TSource,Object>>, BindingMode, IValueConverter, String) |
Obsolete.
Creates and applies a binding from an expression. |
SetOnAppTheme<T>(BindableObject, BindableProperty, T, T) |