public void ImplementIMixinTarget(string targetClassName)
{
ArgumentUtility.CheckNotNullOrEmpty("targetClassName", targetClassName);
Assertion.IsNotNull(_initializationMethod, "AddInitializations must be called first.");
Assertion.IsNotNull(_classContextField, "AddFields must be called first.");
Assertion.IsNotNull(_extensionsField, "AddExtensionsField must be called first.");
Assertion.IsNotNull(_firstField, "AddFields must be called first.");
var noInitialization = Expression.Empty();
var classContextDebuggerDisplay = "Class context for " + targetClassName;
// Initialize this instance in case we're being called before the ctor has finished running.
var initialization = _expressionBuilder.CreateInitialization(_concreteTarget, _initializationMethod);
ImplementReadOnlyProperty(_classContextField, noInitialization, s_classContextProperty, "ClassContext", classContextDebuggerDisplay);
ImplementReadOnlyProperty(_extensionsField, initialization, s_mixinProperty, "Mixins", "Count = {__extensions.Length}");
ImplementReadOnlyProperty(_firstField, initialization, s_firstNextCallProperty, "FirstNextCallProxy", "Generated proxy");
}