if (dotx > 0)
{
String mixinName = parameterName.substring(0, dotx);
InternalComponentResources mixinResources = InternalUtils.get(mixinIdToComponentResources, mixinName);
if (mixinResources == null) throw new TapestryException(
StructureMessages.missingMixinForParameter(completeId, mixinName, parameterName), binding, null);
String simpleName = parameterName.substring(dotx + 1);
mixinResources.bindParameter(simpleName, binding);