34 lines
767 B
C#
34 lines
767 B
C#
using System;
|
|
using System.Windows.Input;
|
|
|
|
namespace Aufgabe17.Framework
|
|
{
|
|
// Diese Klasse kann man sich bei Microsoft runterladen
|
|
public class RelayCommand : ICommand
|
|
{
|
|
private readonly Action<object> execute;
|
|
private readonly Func<object, bool> canExecute;
|
|
|
|
public event EventHandler CanExecuteChanged
|
|
{
|
|
add => CommandManager.RequerySuggested += value;
|
|
remove => CommandManager.RequerySuggested -= value;
|
|
}
|
|
|
|
public RelayCommand(Action<object> execute, Func<object, bool> canExecute = null)
|
|
{
|
|
this.execute = execute;
|
|
this.canExecute = canExecute;
|
|
}
|
|
|
|
public bool CanExecute(object parameter)
|
|
{
|
|
return canExecute == null || canExecute(parameter);
|
|
}
|
|
|
|
public void Execute(object parameter)
|
|
{
|
|
execute(parameter);
|
|
}
|
|
}
|
|
} |