21 lines
635 B
C#
21 lines
635 B
C#
using System;
|
|
using System.Windows.Input;
|
|
|
|
namespace HearingProtector;
|
|
|
|
public sealed class RelayCommand : ICommand
|
|
{
|
|
private readonly Action _execute;
|
|
private readonly Func<bool>? _canExecute;
|
|
|
|
public RelayCommand(Action execute, Func<bool>? canExecute = null)
|
|
{
|
|
_execute = execute;
|
|
_canExecute = canExecute;
|
|
}
|
|
|
|
public event EventHandler? CanExecuteChanged;
|
|
public bool CanExecute(object? parameter) => _canExecute?.Invoke() ?? true;
|
|
public void Execute(object? parameter) => _execute();
|
|
public void RaiseCanExecuteChanged() => CanExecuteChanged?.Invoke(this, EventArgs.Empty);
|
|
} |