Simple implementation of ICommand, usable in ViewModels as Commands

BridgeCommand.cs

using System;
using System.Windows.Input;

// TODO: Namespace

/// <summary>
/// Simple implementation of ICommand, usable in ViewModels as Commands.
/// Acts like a common RelayCommand.
/// Example written in C# 6.
/// </summary>
/// <example>
/// Default approach:   public BridgeCommand YourCommand => new BridgeCommand(action => { this.DoSomething(); });
/// XAML:               <Button Content="Execute" Command="{Binding YourCommand}"/>
///
/// CommandParameter:   public BridgeCommand YourCommand => new BridgeCommand(this.DoSomething);
/// Command Method:     void DoSomething(object obj = null)
/// </example>
public class BridgeCommand : ICommand
{
    private Action<object> execute;
    private Predicate<object> canExecute;

    public BridgeCommand(Action<object> execute)
        : this(execute, DefaultCanExecute)
    {
    }

    public BridgeCommand(Action<object> execute, Predicate<object> canExecute)
    {
        if (execute == null)
            throw new ArgumentNullException("execute Action<> parameter is null");

        this.execute = execute;
        this.canExecute = canExecute;
    }

    public bool CanExecute(object parameter) => canExecute == null || canExecute.Invoke(parameter);

    public event EventHandler CanExecuteChanged
    {
        add
        {
            if (canExecute != null)
                CommandManager.RequerySuggested += value;
        }
        remove
        {
            if (canExecute != null)
                CommandManager.RequerySuggested -= value;
        }
    }

    public void Execute(object parameter) => execute.Invoke(parameter);

    private static bool DefaultCanExecute(object parameter) => true;
}