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Class RelayCommand<T>

Implements generic version of command relaying by invoking defined action

Inheritance
System.Object
RelayCommand<T>
Implements
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: EmptyKeys.UserInterface.Input
Assembly: EmptyKeys.UserInterface.dll
Syntax
public class RelayCommand<T> : ICommand
Type Parameters
Name Description
T

Constructors

RelayCommand(Action<T>)

Initializes a new instance of the RelayCommand<T> class.

Declaration
public RelayCommand(Action<T> execute)
Parameters
Type Name Description
System.Action<T> execute

The execute.

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

Initializes a new instance of the RelayCommand<T> class.

Declaration
public RelayCommand(Action<T> execute, Predicate<T> canExecute)
Parameters
Type Name Description
System.Action<T> execute

The execute.

System.Predicate<T> canExecute

The can execute.

Exceptions
Type Condition
System.ArgumentNullException

execute

Methods

CanExecute(Object)

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

Declaration
public bool 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, this object can be set to null.

Returns
Type Description
System.Boolean

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

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, this object can be set to null.

Implements

ICommand
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