这里在提供C#代码，将PPT转成PDF.直接上代码；

要引入Microsoft.Office.Interop.PowerPoint; 版本12.0.0.0；

using System;using System.Collections.Generic;using System.IO;using System.Linq;using System.Text;using System.Runtime.InteropServices;using Microsoft.Office.Interop.PowerPoint;//Office 命名空间namespace OfficeToPdf{ //excel 类 class PowerPointConverter { //构造函数 public PowerPointConverter() { } /// <summary> /// 转换PowerPoint 成PDF文档 /// </summary> /// <param name="_lstrInputFile">原文件路径</param> /// <param name="_lstrOutFile">pdf文件输出路径</param> /// <returns>true 成功</returns> public bool ConverterToPdf(string _lstrInputFile, string _lstrOutFile) { Microsoft.Office.Interop.PowerPoint.Application lobjPowerPointApp = null; Microsoft.Office.Interop.PowerPoint.Presentation lobjppt = null; object lobjMissing = System.Reflection.Missing.Value; object lobjSaveChanges = null; try { lobjPowerPointApp = new Microsoft.Office.Interop.PowerPoint.Application(); lobjppt = lobjPowerPointApp.Presentations.Open(_lstrInputFile, MSCore.MsoTriState.msoTrue, MSCore.MsoTriState.msoFalse, MSCore.MsoTriState.msoFalse); lobjppt.SaveAs(_lstrOutFile, PpSaveAsFileType.ppSaveAsPDF, MSCore.MsoTriState.msoCTrue); } catch (Exception ex) { //其他日志操作； return false; } finally { if (lobjppt != null) { lobjppt.Close(); Marshal.ReleaseComObject(lobjppt); lobjppt = null; } if (lobjPowerPointApp != null) { lobjPowerPointApp.Quit(); Marshal.ReleaseComObject(lobjPowerPointApp); lobjPowerPointApp = null; } //主动激活垃圾回收器，主要是避免超大批量转文档时，内存占用过多，而垃圾回收器并不是时刻都在运行！ GC.Collect(); GC.WaitForPendingFinalizers(); } return true; } }}

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