应用ASP.NET Runtime

// MainForm.cs
// project created on 5/23/2003 at 1:28 PM

using System;
using System.IO;
using System.Threading;
using System.Windows.Forms;
using AxSHDocVw;
using System.Web.Hosting;
using System.Diagnostics;

namespace UsingAspRuntime
{
    class MainForm : System.Windows.Forms.Form
    {
        private System.Windows.Forms.Button cmdOpen;
        private System.Windows.Forms.TextBox txtFile;
        private System.Windows.Forms.Label label;
        private AxSHDocVw.AxWebBrowser m_Browser;
        private static String m_outFile = "__page__.htm";
        private String m_aspx = null;
        MyHost m_host = null;

        public MainForm(String webPage)
        {
            Trace.Write("MainForm.MainForm : webPage " + webPage);
            InitializeComponent();
            m_aspx = webPage;
        }

        void cmdOpenClick(object sender, System.EventArgs e)
        {
            if (txtFile.Text != null)
            {
                m_aspx = txtFile.Text;
                ThreadPool.QueueUserWorkItem(new WaitCallback(InitBrowserComponent), m_aspx);
            }
        }

        void InitializeComponent() {
            System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(MainForm));
            this.m_Browser = new AxSHDocVw.AxWebBrowser();
            this.label = new System.Windows.Forms.Label();
            this.txtFile = new System.Windows.Forms.TextBox();
            this.cmdOpen = new System.Windows.Forms.Button();
            ((System.ComponentModel.ISupportInitialize)(this.m_Browser)).BeginInit();
            this.SuspendLayout();
            // 
            // m_Browser
            // 
            this.m_Browser.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
                        | System.Windows.Forms.AnchorStyles.Left) 
                        | System.Windows.Forms.AnchorStyles.Right)));
            this.m_Browser.Enabled = true;
            this.m_Browser.Location = new System.Drawing.Point(0, 72);
            //this.m_Browser.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("m_Browser.OcxState")));
            this.m_Browser.Size = new System.Drawing.Size(360, 232);
            this.m_Browser.TabIndex = 0;
            this.m_Browser.BeforeNavigate2 += 
                    new AxSHDocVw.DWebBrowserEvents2_BeforeNavigate2EventHandler(OnBeforeNavigate2);
            // 
            // label
            // 
            this.label.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
            this.label.Location = new System.Drawing.Point(8, 24);
            this.label.Name = "label";
            this.label.Size = new System.Drawing.Size(64, 16);
            this.label.TabIndex = 1;
            this.label.Text = "File Name";
            // 
            // txtFile
            // 
            this.txtFile.Location = new System.Drawing.Point(80, 24);
            this.txtFile.Name = "txtFile";
            this.txtFile.Size = new System.Drawing.Size(152, 20);
            this.txtFile.TabIndex = 2;
            this.txtFile.Text = "";
            // 
            // cmdOpen
            // 
            this.cmdOpen.Location = new System.Drawing.Point(264, 16);
            this.cmdOpen.Name = "cmdOpen";
            this.cmdOpen.Size = new System.Drawing.Size(72, 32);
            this.cmdOpen.TabIndex = 3;
            this.cmdOpen.Text = "Open";
            this.cmdOpen.Click += new System.EventHandler(this.cmdOpenClick);
            // 
            // MainForm
            // 
            this.ClientSize = new System.Drawing.Size(360, 273);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                        this.cmdOpen,
                        this.txtFile,
                        this.label,
                        this.m_Browser});
            this.Text = "Using ASP.NET Runtime";
            this.Load += new System.EventHandler(this.MainForm_Load);
            ((System.ComponentModel.ISupportInitialize)(this.m_Browser)).EndInit();
            this.ResumeLayout(false);
        }
            
        [STAThread]
        public static void Main(string[] args)
        {
            if (args.Length > 0)
            {
                Application.Run(new MainForm(args[0]));
            }
            else
            {
                Application.Run(new MainForm(null));
            }
        }

        private void MainForm_Load(Object Sender, System.EventArgs e)
        {
            Trace.Write("MainForm.MainForm_Load : m_axpx " +  m_aspx);
            
            if (m_aspx != null)
            {
                InitBrowserComponent(m_aspx);
            }
        }
        
        public void InitBrowserComponent(Object sender)
        {
            Object obj = null;
            string webPage = null;
            string strFileExt = null;
            string[] strExtList;

            webPage = (string)sender;
            if (webPage == null)
            {
                return;
            }
            
            Trace.Write("MainForm.InitBrowserComponent : webPage " + webPage);
            if (m_host == null)
            {
                m_host = (MyHost)ApplicationHost.CreateApplicationHost(
                                                           typeof(MyHost), 
                                                           "/foo",
                                                           Environment.CurrentDirectory);
            }
            strExtList = webPage.Split('.');
            if (strExtList != null)
            {
                strFileExt = strExtList[strExtList.Length - 1];
            }

            // If it is an ASPX file, process it to generate the HTML and then load the
            // generated HTML file
            if (strFileExt != null && strFileExt.ToUpper().Equals("ASPX"))
            {
                Trace.Write("Will process the ASPX file and load the same");
                m_host.CreateHtmlPage(webPage, null, m_outFile);        
            }
            // Load the unprocessed file
            else
            {
                Trace.Write("Will load the requested file: No processing is required");
                File.Copy(webPage, m_outFile, true);
            }
            m_Browser.Navigate("file://" + Environment.CurrentDirectory + "/" + m_outFile, 
                                  ref obj, ref obj, ref obj, ref obj);
            
            // update the test box with the file name currently open in the 
            // browser component
            txtFile.Text = webPage;
        }

        void OnBeforeNavigate2(object sender, DWebBrowserEvents2_BeforeNavigate2Event e)
        {
            Trace.WriteLine("Before Navigate2 : " + e.uRL.ToString());
            string url = e.uRL.ToString();
            string curDir = Environment.CurrentDirectory;

            // If its a file located in current directory, run the asp.net env on this file
            if (url.ToUpper().StartsWith(curDir.ToUpper()))
            {
                string file = null;
                int    urlLen = url.Length;
                int    dirLen = Environment.CurrentDirectory.Length;

                file = url.Substring(dirLen + 1, urlLen - dirLen - 1);
                Trace.WriteLine("file is : " + file);

                // If it is an ASPX file, process it to generate the HTML and then load the
                // generated HTML file
                if (!file.Equals(m_outFile))
                {                
                    e.cancel = true;
                    m_aspx = file;
                    ThreadPool.QueueUserWorkItem(new WaitCallback(InitBrowserComponent), 
                                                 m_aspx);
                }
            }
        }        
    }
}

// MyHost.cs

using System;
using System.IO;
using System.Web;
using System.Web.Hosting;
using System.Diagnostics;

namespace UsingAspRuntime
{    
    public class MyHost : MarshalByRefObject
    {
        public void CreateHtmlPage(String webPage, 
                                   String query,
                                   String file)
        {
            Trace.Write("[MyHost.CreateHtmlPage : webPage " + webPage + 
                        " query " + query + " file " + file);
            StreamWriter stream = new StreamWriter(file);
            
            SimpleWorkerRequest swr = new SimpleWorkerRequest(webPage,
                                                              query,
                                                              stream);
            HttpRuntime.ProcessRequest(swr);
            stream.Close();
            Trace.Write("MyHost.CreateHtmlPag]");
        }
    }
}