Table of Contents

Class RelayCommand

Namespace
Gemini.Framework
Assembly
Gemini.dll

Represents relay command.

public class RelayCommand : ICommand
Inheritance
RelayCommand
Implements
Derived
Inherited Members

Constructors

RelayCommand(Action<object>)

Initializes a new instance of the RelayCommand class.

public RelayCommand(Action<object> execute)

Parameters

execute Action<object>

Action to execute in the Execute(object) method.

RelayCommand(Action<object>, Predicate<object>)

Initializes a new instance of the RelayCommand class.

public RelayCommand(Action<object> execute, Predicate<object> canExecute)

Parameters

execute Action<object>

Action to execute in the Execute(object) method.

canExecute Predicate<object>

Predicate that defines, whether the command can be executed.

Methods

CanExecute(object)

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

public virtual bool CanExecute(object parameter)

Parameters

parameter object

Data used by the command. If the command does not require data to be passed, this object can be set to null.

Returns

bool

true if this command can be executed; otherwise, false.

Execute(object)

This method is called when the command is invoked.

public virtual void Execute(object parameter)

Parameters

parameter object

Data used by the command. If the command does not require data to be passed, this object can be set to null.

Events

CanExecuteChanged

Occurs when changes occur that affect whether or not the command should execute.

public event EventHandler CanExecuteChanged

Event Type

EventHandler