Class Command

Definition

Namespace:
Tizen.NUI.Binding
Assembly:
Tizen.NUI.dll

Defines an ICommand implementation that wraps a Action.

public class Command : ICommand
Inheritance
object
Command
Derived
Command<T>
Command<T>
Command<T>

Constructors

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Command(Action, Func<bool>)

Initializes a new instance of the Command class.

Declaration
public Command(Action execute, Func<bool> canExecute)
Parameters
Type Name Description
Action execute

An Action to execute when the Command is executed.
Func<><bool> canExecute

A instance indicating if the Command can be executed.
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Command(Action)

Initializes a new instance of the Command class.

Declaration
public Command(Action execute)
Parameters
Type Name Description
Action execute

An Action to execute when the Command is executed.
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Command(Action<object>, Func<object, bool>)

Initializes a new instance of the Command class.

Declaration
public Command(Action<object> execute, Func<object, bool> canExecute)
Parameters
Type Name Description
Action<><object> execute

An Action to execute when the Command is executed.
Func<, ><object, bool> canExecute

A instance indicating if the Command can be executed.
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Command(Action<object>)

Initializes a new instance of the Command class.

Declaration
public Command(Action<object> execute)
Parameters
Type Name Description
Action<><object> execute

An instance to execute when the Command is executed.

Methods

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CanExecute(object)

Returns a Boolean indicating if the Command can be executed with the given parameter.

Declaration
public bool CanExecute(object parameter)
Parameters
Type Name Description
object parameter

An Object used as parameter to determine if the Command can be executed.
Returns
Type Description
bool

true if the Command can be executed, false otherwise.
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ChangeCanExecute()

Send a CanExecuteChanged.

Declaration
public void ChangeCanExecute()
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Execute(object)

Invokes the execute Action.

Declaration
public void Execute(object parameter)
Parameters
Type Name Description
object parameter

An Object used as parameter for the execute Action.

Events

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CanExecuteChanged

Occurs when the target of the Command should reevaluate whether or not the Command can be executed.

Declaration
public event EventHandler CanExecuteChanged
Event Type
Type Description
EventHandler

Extension Methods