using System; using System.Windows; using System.Windows.Input; namespace NotifyIconWpf.Sample.ShowCases.Tutorials { /// /// A simple command that displays the command parameter as /// a dialog message. /// public class ShowMessageCommand : ICommand { public void Execute(object parameter) { MessageBox.Show(parameter.ToString()); } public bool CanExecute(object parameter) { return true; } public event EventHandler CanExecuteChanged { add => CommandManager.RequerySuggested += value; remove => CommandManager.RequerySuggested -= value; } } }