Class Behavior

Encapsulates state information and zero or more ICommands into an attachable object.

Inheritance
System.Object
DependencyObject
Behavior
Behavior<T>
Implements
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: System.Windows.Interactivity
Assembly: OpenSilver.Interactivity.dll
Syntax
public abstract class Behavior : DependencyObject, IDependencyObject, IAttachedObject
Remarks

This is an infrastructure class. Behavior authors should derive from Behavior<T> instead of from this class.

Properties

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AssociatedObject

Gets the object to which this behavior is attached.

Declaration
protected DependencyObject AssociatedObject { get; }
Property Value
Type Description
DependencyObject
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AssociatedType

The type to which this behavior can be attached.

Declaration
protected Type AssociatedType { get; }
Property Value
Type Description
System.Type

Methods

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Attach(DependencyObject)

Attaches to the specified object.

Declaration
public void Attach(DependencyObject dependencyObject)
Parameters
Type Name Description
DependencyObject dependencyObject

The object to attach to.
Exceptions
Type Condition
System.InvalidOperationException

The Behavior is already hosted on a different element.
System.InvalidOperationException

dependencyObject does not satisfy the Behavior type constraint.
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Detach()

Detaches this instance from its associated object.

Declaration
public void Detach()
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OnAttached()

Called after the behavior is attached to an AssociatedObject.

Declaration
protected virtual void OnAttached()
Remarks

Override this to hook up functionality to the AssociatedObject.

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OnDetaching()

Called when the behavior is being detached from its AssociatedObject, but before it has actually occurred.

Declaration
protected virtual void OnDetaching()
Remarks

Override this to unhook functionality from the AssociatedObject.

Explicit Interface Implementations

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IAttachedObject.AssociatedObject

Gets the associated object.

Declaration
DependencyObject IAttachedObject.AssociatedObject { get; }
Returns
Type Description
DependencyObject

The associated object.

Implements

Extension Methods