31 lines
762 B
C#
31 lines
762 B
C#
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using System.Windows.Input;
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namespace WPF_23_MVVMRelayCommand.MVVM;
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public class RelayCommand : ICommand
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{
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private readonly Action<object> _execute;
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private readonly Func<object, bool>? _canExecute;
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public RelayCommand(Action<object> execute, Func<object, bool>? canExecute = null)
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{
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_execute = execute;
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_canExecute = canExecute;
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}
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public event EventHandler? CanExecuteChanged
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{
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add => CommandManager.RequerySuggested += value;
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remove => CommandManager.RequerySuggested -= value;
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}
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public bool CanExecute(object? parameter)
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{
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return _canExecute == null || _canExecute(parameter!);
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}
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public void Execute(object? parameter)
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{
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_execute(parameter!);
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}
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}
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