private IInputCommand CreateCommandFromAlias(string alias)
{
// Get all of the IInputCommand Types that have been registered.
IEnumerable <Type> commandTypes = this.container.ComponentRegistry.Registrations
.Where(service => typeof(IInputCommand).IsAssignableFrom(service.Activator.LimitType))
.Select(service => service.Activator.LimitType);
Type commandToInstance = commandTypes
.FirstOrDefault(type => TypePool.GetAttribute <CommandAliasAttribute>(
type: type,
property: null,
predicate: attribute => attribute.Alias.ToLower().Equals(alias.ToLower())) != null);
return(commandToInstance == null ? null : this.container.Resolve(commandToInstance) as IInputCommand);
}