MainWindow-CaptureCallbackImpl.xaml.cs

Action eachFrame = null;
_scope.TryGetVariable<Action>("each_frame", out eachFrame);
EachFrame = eachFrame;

Func<object, dynamic> eachObject = null;
_scope.TryGetVariable<Func<object, dynamic>>("each_object", out eachObject);
EachObject = eachObject;

MainWindow-CaptureCallbacks.xaml.cs

CaptureAnimationCallbacks();

MainWindow-expose.xaml.cs

runtime.LoadAssembly(typeof(Canvas).Assembly);  // loads PresentationFramework
runtime.LoadAssembly(typeof(Brushes).Assembly); // loads PresentationCore
runtime.LoadAssembly(GetType().Assembly);       // loads this exe
_scope.canvas = _canvas;
_scope.window = this;

MainWindow-fields.xaml.cs

private ScriptEngine _rubyEngine;
private IronRuby.Runtime.RubyContext _rubyContext;
private dynamic _scope;

MainWindow-Loaded.xaml.cs

// Initialize IronRuby
var runtime = ScriptRuntime.CreateFromConfiguration();
_rubyEngine = Ruby.GetEngine(runtime);
_rubyContext = Ruby.GetExecutionContext(_rubyEngine);
_scope = _rubyEngine.CreateScope();

// redirect stdout to the output window
_rubyContext.StandardOutput = OutputBuffer;

MainWindow-RegisterCallback.xaml.cs

RegisterCallbacks();

MainWindow-RunCode.xaml.cs

// Run the code
var result = _rubyEngine.Execute(code, _scope);

// write the result to the output window
var output = string.Format("=> {0}\n", _rubyContext.Inspect(result));
OutputBuffer.write(output);

// add the code to the history
_history.AppendText(string.Format("{0}\n{1}", code, output));

MainWindow-usings.xaml.cs

using Microsoft.Scripting.Hosting;
using IronRuby;