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📄 ncore.cs

📁 利用C#实现的将Word文件转换为PDF的源代码。其中转换过程分为3步
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/*
 * EBI-Software all rights reserved.
 * webmaster@ebi-software.de
 * This code is only for educational use.
 */
using System;
using System.IO;
using System.Runtime;
using System.Drawing;
using System.Drawing.Imaging;
using System.Windows.Forms;
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.CrystalReports;
using CrystalDecisions.Shared;
using CrystalDecisions.Web.HtmlReportRender;
using System.Runtime.InteropServices;

using EBIsagt.Windows;
using EBIsagt.Windows.API;

namespace EBIsagt.Cnv
{	/// <summary>
	/// nCore wie der Name schon besagt Kernstück der Konvertierung,
	/// und stellt ein Basis interface für die Datei Erkennung zur Verfügung.
	/// <author>
	/// Stefan Eberhardt, Stefan_Eberhardt@EBI-Software.de
	/// </author>
	/// </summary>

	public class nCore
	{
		
		private static object Unknown =Type.Missing;
		private static string scrfile=null;//"d:\\1.ppt";//für debug
		private static int	  CnvID;
		private static bool	  silent= false;
		private static string dstfile=null;//"d:\\2.wmf";//für debug
		private static string Database="DtoD.mdb";
		private static string WorkDir= "C:\\";

		
		/// <summary>
		/// 
		/// </summary>
		// append unten
		public string[] ExtStrings   =// CnvOkay beachten
			{
					"TXT","RTF","DOC","HTM","PPT","PDF","GIF"
				,"WMF","EMF","BMP","EXIF","ICO","JPG"
				,"PNG","TIF","XLS","WK4","WRI","WPS"};
		
		/// <summary>
		/// Unterstütze Dateitypen, neue Datei-Erweiterungen müssen hier eingefügt werden.
		/// </summary>
		private  enum Cnvs : int // CnvOkay beachten
		{
			TXT = 0,
			RTF = 1,
			DOC = 2,
			HTM = 3,
			PPT = 4,
			PDF = 5,
			GIF = 6,
			WMF = 7,
			EMF = 8,
			BMP = 9,
			EXIF=10,
			ICO =11,
			JPG =12,
			PNG =13,
			TIF =14,
			XLS =15,
			WK4 =16,
			WRI =17,
			WPS =18,
		}
		/// <summary>
		/// Die Konvertierungen die bereits unterstützt werden
		/// </summary>
		private const int HTM2HTM =((int)(Cnvs.HTM) << 8 )|((int)(Cnvs.HTM));
		private const int HTM2DOC =((int)(Cnvs.HTM) << 8 )|((int)(Cnvs.DOC));
		private const int DOC2HTM =((int)(Cnvs.DOC) << 8 )|((int)(Cnvs.HTM));
		private const int PPT2PDF =((int)(Cnvs.PPT) << 8 )|((int)(Cnvs.PDF));
		private const int PPT2WMF =((int)(Cnvs.PPT) << 8 )|((int)(Cnvs.WMF));
		private const int TXT2TXT =((int)(Cnvs.TXT) << 8 )|((int)(Cnvs.TXT));
		private const int DOC2RTF =((int)(Cnvs.DOC) << 8 )|((int)(Cnvs.RTF));
		private const int HTM2RTF =((int)(Cnvs.HTM) << 8 )|((int)(Cnvs.RTF));
		private const int RTF2HTM =((int)(Cnvs.RTF) << 8 )|((int)(Cnvs.HTM));
		private const int RTF2DOC =((int)(Cnvs.RTF) << 8 )|((int)(Cnvs.DOC));
		private const int GIF2EMF =((int)(Cnvs.GIF) << 8 )|((int)(Cnvs.EMF));
		private const int BMP2EMF =((int)(Cnvs.BMP) << 8 )|((int)(Cnvs.EMF));
		private const int EXIF2EMF=((int)(Cnvs.EXIF)<< 8 )|((int)(Cnvs.EMF));
		private const int ICO2EMF =((int)(Cnvs.ICO) << 8 )|((int)(Cnvs.EMF));
		private const int JPG2EMF =((int)(Cnvs.JPG) << 8 )|((int)(Cnvs.EMF));
		private const int PNG2EMF =((int)(Cnvs.PNG) << 8 )|((int)(Cnvs.EMF));
		private const int TIF2EMF =((int)(Cnvs.TIF) << 8 )|((int)(Cnvs.EMF));
		private const int WMF2EMF =((int)(Cnvs.WMF) << 8 )|((int)(Cnvs.EMF));

		private const int GIF2BMP =((int)(Cnvs.GIF) << 8 )|((int)(Cnvs.BMP));
		private const int BMP2BMP =((int)(Cnvs.BMP) << 8 )|((int)(Cnvs.BMP));//Weil ich kann :-)
		private const int EXIF2BMP=((int)(Cnvs.EXIF)<< 8 )|((int)(Cnvs.BMP));
		private const int ICO2BMP =((int)(Cnvs.ICO) << 8 )|((int)(Cnvs.BMP));
		private const int JPG2BMP =((int)(Cnvs.JPG) << 8 )|((int)(Cnvs.BMP));
		private const int PNG2BMP =((int)(Cnvs.PNG) << 8 )|((int)(Cnvs.BMP));
		private const int TIF2BMP =((int)(Cnvs.TIF) << 8 )|((int)(Cnvs.BMP));
		private const int WMF2BMP =((int)(Cnvs.WMF) << 8 )|((int)(Cnvs.BMP));
		private const int EMF2BMP =((int)(Cnvs.EMF) << 8 )|((int)(Cnvs.BMP));

		private const int PPT2HTM =((int)(Cnvs.PPT) << 8 )|((int)(Cnvs.HTM));
		private const int HTM2PPT =((int)(Cnvs.HTM) << 8 )|((int)(Cnvs.PPT));
		
		private const int GIF2PDF =((int)(Cnvs.GIF) << 8 )|((int)(Cnvs.PDF));
		private const int BMP2PDF =((int)(Cnvs.BMP) << 8 )|((int)(Cnvs.PDF));
		private const int EXIF2PDF=((int)(Cnvs.EXIF)<< 8 )|((int)(Cnvs.PDF));
		private const int ICO2PDF =((int)(Cnvs.ICO) << 8 )|((int)(Cnvs.PDF));
		private const int JPG2PDF =((int)(Cnvs.JPG) << 8 )|((int)(Cnvs.PDF));
		private const int PNG2PDF =((int)(Cnvs.PNG) << 8 )|((int)(Cnvs.PDF));
		private const int TIF2PDF =((int)(Cnvs.TIF) << 8 )|((int)(Cnvs.PDF));
		private const int WMF2PDF =((int)(Cnvs.WMF) << 8 )|((int)(Cnvs.PDF));
		private const int EMF2PDF =((int)(Cnvs.EMF) << 8 )|((int)(Cnvs.PDF));

		private const int GIF2RTF =((int)(Cnvs.GIF) << 8 )|((int)(Cnvs.RTF));
		private const int BMP2RTF =((int)(Cnvs.BMP) << 8 )|((int)(Cnvs.RTF));
		private const int EXIF2RTF=((int)(Cnvs.EXIF)<< 8 )|((int)(Cnvs.RTF));
		private const int ICO2RTF =((int)(Cnvs.ICO) << 8 )|((int)(Cnvs.RTF));
		private const int JPG2RTF =((int)(Cnvs.JPG) << 8 )|((int)(Cnvs.RTF));
		private const int PNG2RTF =((int)(Cnvs.PNG) << 8 )|((int)(Cnvs.RTF));
		private const int TIF2RTF =((int)(Cnvs.TIF) << 8 )|((int)(Cnvs.RTF));
		private const int WMF2RTF =((int)(Cnvs.WMF) << 8 )|((int)(Cnvs.RTF));
		private const int EMF2RTF =((int)(Cnvs.EMF) << 8 )|((int)(Cnvs.RTF));

		private const int GIF2HTM =((int)(Cnvs.GIF) << 8 )|((int)(Cnvs.HTM));
		private const int BMP2HTM =((int)(Cnvs.BMP) << 8 )|((int)(Cnvs.HTM));
		private const int EXIF2HTM=((int)(Cnvs.EXIF)<< 8 )|((int)(Cnvs.HTM));
		private const int ICO2HTM =((int)(Cnvs.ICO) << 8 )|((int)(Cnvs.HTM));
		private const int JPG2HTM =((int)(Cnvs.JPG) << 8 )|((int)(Cnvs.HTM));
		private const int PNG2HTM =((int)(Cnvs.PNG) << 8 )|((int)(Cnvs.HTM));
		private const int TIF2HTM =((int)(Cnvs.TIF) << 8 )|((int)(Cnvs.HTM));
		private const int WMF2HTM =((int)(Cnvs.WMF) << 8 )|((int)(Cnvs.HTM));
		private const int EMF2HTM =((int)(Cnvs.EMF) << 8 )|((int)(Cnvs.HTM));

		private const int HTM2PDF =((int)(Cnvs.HTM) << 8 )|((int)(Cnvs.PDF));
		private const int DOC2PDF =((int)(Cnvs.DOC) << 8 )|((int)(Cnvs.PDF));
		private const int RTF2PDF =((int)(Cnvs.RTF) << 8 )|((int)(Cnvs.PDF));
		private const int TXT2PDF =((int)(Cnvs.TXT) << 8 )|((int)(Cnvs.PDF));

		private const int HTM2XLS =((int)(Cnvs.HTM) << 8 )|((int)(Cnvs.XLS));
		private const int DOC2XLS =((int)(Cnvs.DOC) << 8 )|((int)(Cnvs.XLS));
		private const int TXT2XLS =((int)(Cnvs.TXT) << 8 )|((int)(Cnvs.XLS));
		
		private const int GIF2XLS =((int)(Cnvs.GIF) << 8 )|((int)(Cnvs.XLS));
		private const int BMP2XLS =((int)(Cnvs.BMP) << 8 )|((int)(Cnvs.XLS));
		private const int EXIF2XLS=((int)(Cnvs.EXIF)<< 8 )|((int)(Cnvs.XLS));
		private const int ICO2XLS =((int)(Cnvs.ICO) << 8 )|((int)(Cnvs.XLS));
		private const int JPG2XLS =((int)(Cnvs.JPG) << 8 )|((int)(Cnvs.XLS));
		private const int PNG2XLS =((int)(Cnvs.PNG) << 8 )|((int)(Cnvs.XLS));
		private const int TIF2XLS =((int)(Cnvs.TIF) << 8 )|((int)(Cnvs.XLS));
		private const int WMF2XLS =((int)(Cnvs.WMF) << 8 )|((int)(Cnvs.XLS));
		private const int EMF2XLS =((int)(Cnvs.EMF) << 8 )|((int)(Cnvs.XLS));

		///////////////////////////
		private const int DOC2TXT =((int)(Cnvs.DOC) << 8 )|((int)(Cnvs.TXT));
		private const int WK42HTM =((int)(Cnvs.WK4) << 8 )|((int)(Cnvs.HTM));
		private const int WRI2HTM =((int)(Cnvs.WRI) << 8 )|((int)(Cnvs.HTM));
		private const int WPS2HTM =((int)(Cnvs.WPS) << 8 )|((int)(Cnvs.HTM));

		private const int WK42DOC =((int)(Cnvs.WK4) << 8 )|((int)(Cnvs.DOC));
		private const int WRI2DOC =((int)(Cnvs.WRI) << 8 )|((int)(Cnvs.DOC));
		private const int WPS2DOC =((int)(Cnvs.WPS) << 8 )|((int)(Cnvs.DOC));

		private const int WK42RTF =((int)(Cnvs.WK4) << 8 )|((int)(Cnvs.RTF));
		private const int WRI2RTF =((int)(Cnvs.WRI) << 8 )|((int)(Cnvs.RTF));
		private const int WPS2RTF =((int)(Cnvs.WPS) << 8 )|((int)(Cnvs.RTF));

		private const int WK42TXT =((int)(Cnvs.WK4) << 8 )|((int)(Cnvs.TXT));
		private const int WRI2TXT =((int)(Cnvs.WRI) << 8 )|((int)(Cnvs.TXT));
		private const int WPS2TXT =((int)(Cnvs.WPS) << 8 )|((int)(Cnvs.TXT));

		private const int WK42PDF =((int)(Cnvs.WK4) << 8 )|((int)(Cnvs.PDF));
		private const int WRI2PDF =((int)(Cnvs.WRI) << 8 )|((int)(Cnvs.PDF));
		private const int WPS2PDF =((int)(Cnvs.WPS) << 8 )|((int)(Cnvs.PDF));

		private const int WK42XLS =((int)(Cnvs.WK4) << 8 )|((int)(Cnvs.XLS));
		private const int WRI2XLS =((int)(Cnvs.WRI) << 8 )|((int)(Cnvs.XLS));
		private const int WPS2XLS =((int)(Cnvs.WPS) << 8 )|((int)(Cnvs.XLS));

		private const int TXT2HTM =((int)(Cnvs.TXT) << 8 )|((int)(Cnvs.HTM));
		//////////////////////////
		/// <summary>
		/// Öffnet eine Messagebox mit der übergebenen Fehlermeldung und terminiert,
		/// anschliessend das Programm.
		/// </summary>
		/// <param name="str">Text der Fehlermedung</param>
		public static void ErrorHalt(string str)
		{
			if (!silent) MessageBox.Show(str);
			Environment.Exit(0);
		}
		/// <summary>
		/// Öffnet den Dialog für die Input Datei
		/// </summary>
		/// <returns> 0 wenn alles in Ordnung ist,1 Wenn ein Fehler aufgetreten ist</returns>
		public static int SourceFile()
		{
			OpenFileDialog OFD	= new OpenFileDialog();
			//OFD.Filter = "Text Datei (*.txt)|*.txt";
			OFD.Filter = /*OFD.Filter +*/ "Rich Text Format (*.rtf)|*.rtf";
			OFD.Filter = OFD.Filter + "|Word Dokument (*.doc)|*.doc";		
			//OFD.Filter = OFD.Filter + "|HyperText Markup Language Datein(*.htm*)|*.htm*";
			//OFD.Filter = OFD.Filter + "|PowerPoint Datein(*.ppt)|*.ppt";
			//OFD.Filter = OFD.Filter + "|Portables Dokumenten Format(*.pdf*)|*.pdf"; //Zukunftsmusik
			//OFD.Filter = OFD.Filter + "|Windows Meta File Datein(AutoCAD)(*.wmf)|*.wmf";
			//OFD.Filter = OFD.Filter + "|Erweiterte Meta File Datein(*.emf)|*.emf";
			//OFD.Filter = OFD.Filter + "|Windows Bitmap(*.bmp)|*.bmp";
			//OFD.Filter = OFD.Filter + "|Exchangeable Image File Format(*.exif)|*.exif";
			//OFD.Filter = OFD.Filter + "|Windows Icon(*.ico)|*.ico";
			//OFD.Filter = OFD.Filter + "|Joint Photographic Experts Group(*.jpg)|*.jpg";
			//OFD.Filter = OFD.Filter + "|Portable Network Graphics(*.png)|*.png";
			//OFD.Filter = OFD.Filter + "|Tagged Image File Format(*.tif)|*.tif";
			//OFD.Filter = OFD.Filter + "|Microsoft Exel Datei(*.xls)|*.xls";
			//OFD.Filter = OFD.Filter + "|Lotus 123 Datei(*.wk1,*.wk3,*.wk4)|*.wk*";
			//OFD.Filter = OFD.Filter + "|Windows Write Datei(*.wri)|*.wri";
			//OFD.Filter = OFD.Filter + "|Microsoft Works Datei(*.wps,*.wpt)|*.wp*";
			OFD.InitialDirectory = WorkDir;
			OFD.DefaultExt = "txt";
			if (OFD.ShowDialog() == DialogResult.OK)
			{
				scrfile = OFD.FileNames[0].ToLower();
				OFD.Dispose();
				return 0;
			}
			else 
			{
				OFD.Dispose();
				return 1;}
		}
		/// <summary>
		/// Diese Funktion liefert die ID des DateiTyps zurück.
		/// wenn nicht bekannt wird eine Exception geworfen
		/// </summary>
		/// <param name="Filename">Dateinname mit oder ohne Pfad</param>
		/// <returns>ID der Extension</returns>
		public static int IDentExt(string Filename)
		{
			if (Filename.LastIndexOf(".")>-1) 
			{
				string extention = Filename.Substring(Filename.LastIndexOf(".")+1);

				switch (extention)
				{
					case "txt":
						return (int)Cnvs.TXT;
					case "rtf":
						return (int)Cnvs.RTF;
					case "doc":
						return (int)Cnvs.DOC;
					case "htm":
						return (int)Cnvs.HTM;
					case "html":
						return (int)Cnvs.HTM;
					case "ppt":
						return (int)Cnvs.PPT;
					case "pdf":
						return (int)Cnvs.PDF;
					case "gif":
						return (int)Cnvs.GIF;
					case "wmf":
						return (int)Cnvs.WMF;
					case "emf":
						return (int)Cnvs.EMF;
					case "bmp":
						return (int)Cnvs.BMP;
					case "exif":
						return (int)Cnvs.EXIF;
					case "ico":
						return (int)Cnvs.ICO;
					case "jpg":
						return (int)Cnvs.JPG;
					case "png":
						return (int)Cnvs.PNG;
					case "tif":
						return (int)Cnvs.TIF;
					case "xls":
						return (int)Cnvs.XLS;
					case "wk1":
						return (int)Cnvs.WK4;
					case "wk3":
						return (int)Cnvs.WK4;
					case "wk4":
						return (int)Cnvs.WK4;
					case "wri":
						return (int)Cnvs.WRI;
					case "wps":
						return (int)Cnvs.WPS;
					case "wpt":
						return (int)Cnvs.WPS;
					default : throw new Exception("Erweiterung unbekannt.");
				}
			}
			else
			{	
				throw new Exception("Mindestens eine Datei Erweiterung fehlt.");
			}

		}
		/// <summary>
		/// Erstellt ide Conversion ID die den Input und Output Typ beinhaltet
		/// dieser Conversion identifiziert die Konvertierung eindeutig.
		/// </summary>
		/// <returns>0 alles in Ordnung, 1 Wenn ein fehler aufgetreten ist</returns>
		private static int CreateCnvID()
		{
			try
			{
				int i = IDentExt(scrfile);
				i = i << 8;
				CnvID = i | IDentExt(dstfile);	
			}
12

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