VSA Scripting in .NET

using System;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Windows.Forms;
using VsaScripting;

namespace Scripting
{
	/// <summary>
	/// Summary description for Startup.
	/// </summary>
	public class Startup
	{
		private static ScriptableForm _scriptableForm;
		private static VsaScriptingHostFactory _factory;

		/// <summary>
		/// The entry point for the application
		/// </summary>
		/// <param name="args">The command line arguments passed to the application</param>
		[STAThread()]
		public static void Main(string[] args)
		{		
			// create a new form instance
			_scriptableForm = new ScriptableForm();
						
			// create a new host factory
			_factory = new VsaScriptingHostFactory();

			// create a new set of hosts
			VsaScriptingHost[] hosts = _factory.Create(@"MyScriptingHost", @"Scripting", true, Application.StartupPath);

			// wire up to the events of each host
			foreach(VsaScriptingHost host in hosts)
			{				
				host.AssemblyReferencesNeeded += new ScriptingHostEventHandler(OnAssemblyReferencesNeeded);
				host.CompilerException += new ScriptingHostCompilerExceptionEventHandler(OnCompilerException);
				host.GlobalItemsNeeded += new ScriptingHostEventHandler(OnGlobalItemsNeeded);
			}

			// execute the hosts
			foreach(VsaScriptingHost host in hosts)
				host.Execute();						

			// show the form
			_scriptableForm.ShowDialog();
		}
		
		/// <summary>
		/// Occurs when assembly references are needed
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private static void OnAssemblyReferencesNeeded(object sender, VsaScriptingHostEventArgs e)
		{
			// add the current assembly as a reference
			e.Host.CreateAssemblyReferences(Assembly.GetExecutingAssembly().Location);
		}

		/// <summary>
		/// Occurs when an error occurs during compilation or execution
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private static void OnCompilerException(object sender, VsaScriptingHostCompilerExceptionEventArgs e)
		{
			Debug.WriteLine(e.Exception);
		}

		/// <summary>
		/// Occurs when global items are needed
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private static void OnGlobalItemsNeeded(object sender, VsaScriptingHostEventArgs e)
		{
			// publish the scriptable form so that the scripts may modify it
			e.Host.CreateGlobalItem("_scriptableForm", _scriptableForm, false);
		}
	}
}