private static IEnumerable <EntityDesignerCommand> GetCommands(IEntityDesignerLayer layer = null)
{
var commandsToReturn = new List <EntityDesignerCommand>();
var commandsForLayer = EscherExtensionPointManager.LoadCommandExtensions(layer == null, layer != null);
foreach (var lazyFactory in commandsForLayer)
{
var factory = lazyFactory.Value;
if (factory != null)
{
commandsToReturn.AddRange(factory.Commands);
}
}
return(commandsToReturn);
}
