| public RegisterCommand ( ICommand command, IViewModel viewModel = null ) : void | ||
| command | ICommand | The command. |
| viewModel | IViewModel | The view model. If specified, the command will automatically be unregistered when the view model is closed. |
| return | void | |
public void RegisterCommand(ICommand command, IViewModel viewModel = null)
{
Argument.IsNotNull("command", command);
lock (_lock)
{
var commandInfo = new CommandInfo(this, command, viewModel);
_commandInfo.Add(commandInfo);
command.CanExecuteChanged += OnCommandCanExecuteChanged;
Log.Debug("Registered command in CompositeCommand");
}
}
public void PreventsExecutionOfPartiallyExecutableCommand(bool checkCanExecuteOfAllCommandsToDetermineCanExecuteForCompositeCommand, bool expectedValue)
{
var compositeCommand = new CompositeCommand();
compositeCommand.RegisterCommand(new Command(() => { }, () => false));
compositeCommand.RegisterCommand(new Command(() => { }, () => true));
compositeCommand.CheckCanExecuteOfAllCommandsToDetermineCanExecuteForCompositeCommand = checkCanExecuteOfAllCommandsToDetermineCanExecuteForCompositeCommand;
Assert.AreEqual(expectedValue, ((ICatelCommand)compositeCommand).CanExecute(null));
}
