C#实现office文档转换为PDF或xps的一些方法( 转)

private bool Convert(string sourcePath, string targetPath, Word.WdExportFormat exportFormat) 
                { 
                        bool result; 
                        object paramMissing = Type.Missing; 
                        Word.ApplicationClass wordApplication = new Word.ApplicationClass(); 
                        Word.Document wordDocument = null; 
                        try 
                        { 
                                object paramSourceDocPath = sourcePath; 
                                string paramExportFilePath = targetPath; 
 
                                Word.WdExportFormat paramExportFormat = exportFormat; 
                                bool paramOpenAfterExport = false; 
                                Word.WdExportOptimizeFor paramExportOptimizeFor = 
                                        Word.WdExportOptimizeFor.wdExportOptimizeForPrint; 
                                Word.WdExportRange paramExportRange = Word.WdExportRange.wdExportAllDocument; 
                                int paramStartPage = 0; 
                                int paramEndPage = 0; 
                                Word.WdExportItem paramExportItem = Word.WdExportItem.wdExportDocumentContent; 
                                bool paramIncludeDocProps = true; 
                                bool paramKeepIRM = true; 
                                Word.WdExportCreateBookmarks paramCreateBookmarks = 
                                        Word.WdExportCreateBookmarks.wdExportCreateWordBookmarks; 
                                bool paramDocStructureTags = true; 
                                bool paramBitmapMissingFonts = true; 
                                bool paramUseISO19005_1 = false; 
 
                                wordDocument = wordApplication.Documents.Open( 
                                        ref paramSourceDocPath, ref paramMissing, ref paramMissing, 
                                        ref paramMissing, ref paramMissing, ref paramMissing, 
                                        ref paramMissing, ref paramMissing, ref paramMissing, 
                                        ref paramMissing, ref paramMissing, ref paramMissing, 
                                        ref paramMissing, ref paramMissing, ref paramMissing, 
                                        ref paramMissing); 
 
                                if (wordDocument != null) 
                                        wordDocument.ExportAsFixedFormat(paramExportFilePath, 
                                                paramExportFormat, paramOpenAfterExport, 
                                                paramExportOptimizeFor, paramExportRange, paramStartPage, 
                                                paramEndPage, paramExportItem, paramIncludeDocProps, 
                                                paramKeepIRM, paramCreateBookmarks, paramDocStructureTags, 
                                                paramBitmapMissingFonts, paramUseISO19005_1, 
                                                ref paramMissing); 
                                result = true; 
                        } 
                        finally 
                        { 
                                if (wordDocument != null) 
                                { 
                                        wordDocument.Close(ref paramMissing, ref paramMissing, ref paramMissing); 
                                        wordDocument = null; 
                                } 
                                if (wordApplication != null) 
                                { 
                                        wordApplication.Quit(ref paramMissing, ref paramMissing, ref paramMissing); 
                                        wordApplication = null; 
                                } 
                                GC.Collect(); 
                                GC.WaitForPendingFinalizers(); 
                                GC.Collect(); 
                                GC.WaitForPendingFinalizers(); 
                        } 
                        return result; 
                }

private bool Convert(string sourcePath, string targetPath, XlFixedFormatType targetType) 
                { 
                        bool result; 
                        object missing = Type.Missing; 
                        ApplicationClass application = null; 
                        Workbook workBook = null; 
                        try 
                        { 
                                application = new ApplicationClass(); 
                                object target = targetPath; 
                                object type = targetType; 
                                workBook = application.Workbooks.Open(sourcePath, missing, missing, missing, missing, missing, 
                                        missing, missing, missing, missing, missing, missing, missing, missing, missing); 
 
                                workBook.ExportAsFixedFormat(targetType, target, XlFixedFormatQuality.xlQualityStandard, true, false, missing, missing, missing, missing); 
                                result = true; 
                        } 
                        catch 
                        { 
                                result = false; 
                        } 
                        finally 
                        { 
                                if (workBook != null) 
                                { 
                                        workBook.Close(true, missing, missing); 
                                        workBook = null; 
                                } 
                                if (application != null) 
                                { 
                                        application.Quit(); 
                                        application = null; 
                                } 
                                GC.Collect(); 
                                GC.WaitForPendingFinalizers(); 
                                GC.Collect(); 
                                GC.WaitForPendingFinalizers(); 
                        } 
                        return result; 
                }

                private bool Convert(string sourcePath, string targetPath, PpSaveAsFileType targetFileType) 
                { 
                        bool result; 
                        object missing = Type.Missing; 
                        ApplicationClass application = null; 
                        Presentation persentation = null; 
                        try 
                        { 
                                application = new ApplicationClass(); 
                                persentation = application.Presentations.Open(sourcePath, MsoTriState.msoTrue, MsoTriState.msoFalse, MsoTriState.msoFalse); 
                                persentation.SaveAs(targetPath, targetFileType, Microsoft.Office.Core.MsoTriState.msoTrue); 
 
                                result = true; 
                        } 
                        catch 
                        { 
                                result = false; 
                        } 
                        finally 
                        { 
                                if (persentation != null) 
                                { 
                                        persentation.Close(); 
                                        persentation = null; 
                                } 
                                if (application != null) 
                                { 
                                        application.Quit(); 
                                        application = null; 
                                } 
                                GC.Collect(); 
                                GC.WaitForPendingFinalizers(); 
                                GC.Collect(); 
                                GC.WaitForPendingFinalizers(); 
                        } 
                        return result; 
                }

                public void PrintWord(string wordfile) 
                { 
                        oWord.ApplicationClass word = new oWord.ApplicationClass(); 
                        Type wordType = word.GetType(); 
 
                        //打开WORD文档 
                        oWord.Documents docs = word.Documents; 
                        Type docsType = docs.GetType(); 
                        object objDocName = wordfile; 
                        oWord.Document doc = (oWord.Document)docsType.InvokeMember("Open", System.Reflection.BindingFlags.InvokeMethod, null, docs, new Object[] { objDocName, true, true }); 
 
                        //打印输出到指定文件 
                        //可以使用 doc.PrintOut();方法,次方法调用中的参数设置较繁琐,建议使用 Type.InvokeMember 来调用时可以不用将PrintOut的参数设置全,只设置4个主要参数 
                        Type docType = doc.GetType(); 
                        object printFileName = wordfile + ".xps"; 
                        docType.InvokeMember("PrintOut", System.Reflection.BindingFlags.InvokeMethod, null, doc, new object[] { false, false, oWord.WdPrintOutRange.wdPrintAllDocument, printFileName }); 
 
                        //退出WORD 
                        wordType.InvokeMember("Quit", System.Reflection.BindingFlags.InvokeMethod, null, word, null); 
                }

                public void PrintExcel(string execlfile) 
                { 
                        Excel.ApplicationClass eapp = new Excel.ApplicationClass(); 
                        Type eType = eapp.GetType(); 
                        Excel.Workbooks Ewb = eapp.Workbooks; 
                        Type elType = Ewb.GetType(); 
                        object objelName = execlfile; 
                        Excel.Workbook ebook = (Excel.Workbook)elType.InvokeMember("Open", System.Reflection.BindingFlags.InvokeMethod, null, Ewb, new Object[] { objelName, true, true }); 
 
                        object printFileName = execlfile + ".xps"; 
 
                        Object oMissing = System.Reflection.Missing.Value; 
                        ebook.PrintOut(oMissing, oMissing, oMissing, oMissing, oMissing, true, oMissing, printFileName); 
 
                        eType.InvokeMember("Quit", System.Reflection.BindingFlags.InvokeMethod, null, eapp, null); 
                }