/// <summary>

        /// 通过WebBrowser控件来实现从HTML到Bmp图片的生成。

        /// </summary>

        /// <param name="htmPath">HTML路径</param>

        /// <returns>Bmp图片路径</returns>

        private static string ConverHTML(string htmPath)

        {

            string ImagePath = string.Empty;

            WebBrowser web = new WebBrowser();

            web.Navigate(htmPath);

            while (web.ReadyState != WebBrowserReadyState.Complete)

            {

                System.Windows.Forms.Application.DoEvents();

            }

            Rectangle screen = Screen.PrimaryScreen.Bounds;

            Size? imgsize = null;

            //set the webbrowser width and hight

            web.Width = screen.Width;

            web.Height = screen.Height;

            //suppress script errors and hide scroll bars

            web.ScriptErrorsSuppressed = true;

            web.ScrollBarsEnabled = false;

            Rectangle body = web.Document.Body.ScrollRectangle;

            //check if the document width/height is greater than screen width/height

            Rectangle docRectangle = new Rectangle()

            {

                Location = new Point(0, 0),

                Size = new Size(body.Width > screen.Width ? body.Width : screen.Width,

                 body.Height > screen.Height ? body.Height : screen.Height)

            };

            //set the width and height of the WebBrowser object

            web.Width = docRectangle.Width;

            web.Height = docRectangle.Height;

            //if the imgsize is null, the size of the image will

            //be the same as the size of webbrowser object

            //otherwise  set the image size to imgsize

            Rectangle imgRectangle;

            if (imgsize == null)

                imgRectangle = docRectangle;

            else

                imgRectangle = new Rectangle()

                {

                    Location = new Point(0, 0),

                    Size = imgsize.Value

                };

            //create a bitmap object

            Bitmap bitmap = new Bitmap(imgRectangle.Width - 24, imgRectangle.Height);

            //get the viewobject of the WebBrowser

            IViewObject ivo = web.Document.DomDocument as IViewObject;

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

            {

                //get the handle to the device context and draw

                IntPtr hdc = g.GetHdc();

                ivo.Draw(1, -1, IntPtr.Zero, IntPtr.Zero,

                         IntPtr.Zero, hdc, ref imgRectangle,

                         ref docRectangle, IntPtr.Zero, 0);

                g.ReleaseHdc(hdc);

            }

            SAVEWORDJPG = string.Format(@"E:\cheng_Text\FormatApplication\测试文件\{0}.bmp", Guid.NewGuid().ToString());

            bitmap.Save(SAVEWORDJPG, System.Drawing.Imaging.ImageFormat.Bmp);

            bitmap.Dispose();

            web.Dispose();

            DeleteTempFile(TEMPHTMLPATH);

            return SAVEWORDJPG;

        }

        /// <summary>

        /// 删除指定的临时文件。

        /// </summary>

        /// <param name="filePath"></param>

        private static void DeleteTempFile(string filePath)

        {

            //删除临时HTML文件 。

            File.Delete(filePath);

            //删除目录文件内容。

            string[] files = filePath.Split('.');

            if (files[1].ToLower().Equals("htm"))

            {

                string dirPath = files[0] + ".files";

                foreach (string f in Directory.GetFileSystemEntries(dirPath))

                {

                    // 如果是文件存在 

                    if (File.Exists(f))

                    {

                        FileInfo fi = new FileInfo(f);

                        if (fi.Attributes.ToString().IndexOf("Readonly") != 1)

                        {

                            fi.Attributes = FileAttributes.Normal;

                        }

                        // 直接删除其中的文件 

                        File.Delete(f);

                    }

                }

                Directory.Delete(dirPath);

            }

        }

        #region==========IViewObje【实现接口类】================

        [ComVisible(true), ComImport()]

        [GuidAttribute("0000010d-0000-0000-C000-000000000046")]

        [InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]

        public interface IViewObject

        {

            [return: MarshalAs(UnmanagedType.I4)]

            [PreserveSig]

            int Draw(

                [MarshalAs(UnmanagedType.U4)] UInt32 dwDrawAspect,

                int lindex,

                IntPtr pvAspect,

                [In] IntPtr ptd,

                IntPtr hdcTargetDev,

                IntPtr hdcDraw,

                [MarshalAs(UnmanagedType.Struct)] ref Rectangle lprcBounds,

                [MarshalAs(UnmanagedType.Struct)] ref Rectangle lprcWBounds,

                IntPtr pfnContinue,

                [MarshalAs(UnmanagedType.U4)] UInt32 dwContinue);

            [PreserveSig]

            int GetColorSet([In, MarshalAs(UnmanagedType.U4)] int dwDrawAspect,

               int lindex, IntPtr pvAspect, [In] IntPtr ptd,

                IntPtr hicTargetDev, [Out] IntPtr ppColorSet);

            [PreserveSig]

            int Freeze([In, MarshalAs(UnmanagedType.U4)] int dwDrawAspect,

                            int lindex, IntPtr pvAspect, [Out] IntPtr pdwFreeze);

            [PreserveSig]

            int Unfreeze([In, MarshalAs(UnmanagedType.U4)] int dwFreeze);

            void SetAdvise([In, MarshalAs(UnmanagedType.U4)] int aspects,

              [In, MarshalAs(UnmanagedType.U4)] int advf,

              [In, MarshalAs(UnmanagedType.Interface)] IAdviseSink pAdvSink);

            void GetAdvise([In, Out, MarshalAs(UnmanagedType.LPArray)] int[] paspects,

              [In, Out, MarshalAs(UnmanagedType.LPArray)] int[] advf,

              [In, Out, MarshalAs(UnmanagedType.LPArray)] IAdviseSink[] pAdvSink);

        }

        #endregion