Class ActionCommand

A basic implementation of ICommand that wraps a method that takes no parameters or a method that takes one parameter.

Inheritance

System.Object

ActionCommand

Implements

System.Windows.Input.ICommand

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: Microsoft.Expression.Interactivity.Core

Assembly: OpenSilver.Expression.Interactions.dll

Syntax

public sealed class ActionCommand : ICommand

Constructors

ActionCommand(Action)

Initializes a new instance of the ActionCommand class.

Declaration

public ActionCommand(Action action)

Parameters

Type	Name	Description
System.Action	action	The action.

Remarks

Use this constructor to provide an action that ignores the ICommand parameter.

ActionCommand(Action<Object>)

Initializes a new instance of the ActionCommand class.

Declaration

public ActionCommand(Action<object> objectAction)

Parameters

Type	Name	Description
System.Action<System.Object>	objectAction	An action that takes an object parameter.

Remarks

Use this constructor to provide an action that uses the object parameter passed by the Execute method.

Methods

Execute(Object)

Defines the method to be called when the command is invoked.

Declaration

public void Execute(object parameter)

Parameters

Type	Name	Description
System.Object	parameter	Data used by the command. If the command does not require data to be passed, then this object can be set to null.

Explicit Interface Implementations

ICommand.CanExecute(Object)

Defines the method that determines whether the command can execute in its current state.

Declaration

bool ICommand.CanExecute(object parameter)

Parameters

Type	Name	Description
System.Object	parameter	Data used by the command. If the command does not require data to be passed, then this object can be set to null.

Returns

Type	Description
System.Boolean	Always returns true.

ICommand.CanExecuteChanged

Occurs when changes occur that affect whether the command should execute. Will not be fired by ActionCommand.

Declaration

event EventHandler ICommand.CanExecuteChanged

Returns

Type	Description
System.EventHandler

Implements

System.Windows.Input.ICommand