using System;

using System.ComponentModel;

using System.Drawing;

using System.Windows.Forms;

using System.Runtime.InteropServices;

using mshtml;

using SHDocVw;



namespace WindowsApplication1

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }



        private void button1_Click(object sender, EventArgs e)

        {

            try

            {

                webBrowser1.Navigate("http://www.google.com/");

                while (webBrowser1.ReadyState != WebBrowserReadyState.Complete)

                {

                    Application.DoEvents();

                }



                mshtml.IHTMLDocument2 doc = webBrowser1.Document.DomDocument as IHTMLDocument2;

                IHTMLElementRender render = doc.body as IHTMLElementRender;



                using (System.Drawing.Bitmap img = new Bitmap(webBrowser1.Width, webBrowser1.Height))

                using (Graphics g = Graphics.FromImage(img))

                {

                    IntPtr hdc = g.GetHdc();

                    render.DrawToDC(hdc);

                    g.ReleaseHdc(hdc); 

                    img.Save("c:\\temp\\a.jpg");

                }

            }

            catch (Exception err)

            {

                MessageBox.Show(err.ToString());

            }

        }

    }



    /// <remarks>

    ///  prototype from Tlbimp  

    /// </remarks>

    [

    Guid("3050F669-98B5-11CF-BB82-00AA00BDCE0B"),

    InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown),

    ComImport

    ]

    interface IHTMLElementRender

    {

        void DrawToDC([In] IntPtr hDC);

        void SetDocumentPrinter([In, MarshalAs(UnmanagedType.BStr)] string bstrPrinterName, [In] IntPtr hDC);

    };

}

private string EmailBody(string sAccountNums)

        {

            try

            {

                ReportViewer RViewer = new ReportViewer();

                RViewer.ServerReport.ReportServerUrl = new Uri(CRM.SystemLibrary.Global.ApplicationVar(oUserInfo.CountryCode, oUserInfo.LangCode, "ReportingServer"));

                RViewer.ServerReport.ReportPath = "/SIS/" + oUserInfo.CountryCode + "/Payment_Reminder ";

                RViewer.ProcessingMode = ProcessingMode.Remote;

                RViewer.ServerReport.ReportServerCredentials = new CRM.UILayer._Initialize.CustomReportCredentials();



                string JobsDBLogoURL = ConfigurationManager.AppSettings["JobsDBLogoURL"].ToString();



                ReportParameter[] Parameters = new ReportParameter[6];

                Parameters[0] = new ReportParameter("ReminderType", ReminderType().ToString());

                Parameters[1] = new ReportParameter("AccountNums", sAccountNums);

                Parameters[2] = new ReportParameter("ReminderDays", ReminderDays().ToString());

                Parameters[3] = new ReportParameter("ReminderDate", Convert.ToDateTime(txtReminderDate.Text).ToString("MM/dd/yyyy"));

                Parameters[4] = new ReportParameter("ReminderDateType", ddlReminderDate.SelectedIndex.ToString());

                Parameters[5] = new ReportParameter("CountryCode", base.oUserInfo.CountryCode);



                RViewer.ServerReport.SetParameters(Parameters);

                RViewer.ServerReport.Refresh();



                string format = "HTML4.0";

                string devInfo = null;



                Microsoft.Reporting.WebForms.Warning[] warnings;

                string[] streamids;

                string mimeType;

                string encoding;

                string extension = "htm";



                byte[] result = null;

                result = RViewer.ServerReport.Render(format, devInfo, out mimeType, out encoding, out extension, out streamids, out warnings);





                MemoryStream ms = new MemoryStream(result); ;

                StreamReader sr = new StreamReader(ms);

                string line = sr.ReadToEnd();



                //0022177: SIS 3.0 - Invoice Payment Reminder - UI style issue in the Email 

                //line变量中有多个<img />标签，只需把第一个<img />标签替换成logo图片，而其他<img />标签不用替换

                int i = 0;

                line = Regex.Replace(line, @"(?is)<img[^>]*?>", delegate(Match m)

                {

                    i++;

                    if (i == 1)

                        return "<img alt='JobsDB.com' src='" + JobsDBLogoURL + "'/>";

                    else

                        return "";

                });



                //line = Regex.Replace(line, "<img[^>]*>", @"<img alt='JobsDB.com' src='" + JobsDBLogoURL + "'>", RegexOptions.IgnoreCase | RegexOptions.Singleline);

                return line;

            }

            catch (Exception ex)

            {

                ExceptionManager.Handle(Page, ex, "Invoice Payment - EmailBody()");

            }

            return string.Empty;

        }