原文地址：http://blog.163.com/loveyingchun_1314/blog/static/2382425120124312627530/
引用Microsoft.Office.Core时需要在com选项中添加Microsoft Office 12.0 Object Library(我的Office版本是2007)，如果没有这个需要修改Office添加开发支持（开始-程序-Office更改）
using System; using System.Collections.Generic; using System.Linq; using System.Text; using POWERPOINT =Microsoft.Office.Interop.PowerPoint; using OFFICECORE = Microsoft.Office.Core; using System.Windows; using System.Windows.Forms; using System.Windows.Forms.ComponentModel; namespace TestPPT { public class clsOPPPT { POWERPOINT.Application objApp = null; POWERPOINT.Presentation objPresSet = null; POWERPOINT.SlideShowWindows objSSWs; POWERPOINT.SlideShowTransition objSST; POWERPOINT.SlideShowSettings objSSS; POWERPOINT.SlideRange objSldRng; bool bOpenState = false; bool bAssistantOn; double pixperPoint = 0; double offsetx = 0; double offsety = 0; public bool BOpenState { set { bOpenState = value;} get { return bOpenState;} } /// <summary> /// 打开PPT文档并播放显示。 /// </summary> /// <param name="filePath">PPT文件路径</param> public void PPTOpen(string filePath) { //防止连续打开多个PPT程序. if (this.objApp != null) { return; } try { objApp = new POWERPOINT.Application(); //以非只读方式打开,方便操作结束后保存. objPresSet = objApp.Presentations.Open(filePath, OFFICECORE.MsoTriState.msoFalse, OFFICECORE.MsoTriState.msoFalse, OFFICECORE.MsoTriState.msoFalse); bAssistantOn = objApp.Assistant.On;//Prevent Office Assistant from displaying alert messages: objApp.Assistant.On = false; objSSS = this.objPresSet.SlideShowSettings; objSSS.Run(); BOpenState = true; } catch (Exception ex) { this.objApp.Quit(); } } /// <summary> /// 自动播放PPT文档. /// </summary> /// <param name="filePath">PPTy文件路径.</param> /// <param name="playTime">翻页的时间间隔.【以秒为单位】</param> public void PPTAuto(string filePath, int playTime) { //防止连续打开多个PPT程序. if (this.objApp != null) { return; } objApp = new POWERPOINT.Application(); objPresSet = objApp.Presentations.Open(filePath, OFFICECORE.MsoTriState.msoFalse, OFFICECORE.MsoTriState.msoFalse, OFFICECORE.MsoTriState.msoFalse); // 自动播放的代码（开始） int Slides = objPresSet.Slides.Count; int[] SlideIdx = new int[Slides]; for (int i = 0; i < Slides; i++) { SlideIdx[i] = i + 1; }; objSldRng = objPresSet.Slides.Range(SlideIdx); objSST = objSldRng.SlideShowTransition; //设置翻页的时间. objSST.AdvanceOnTime = OFFICECORE.MsoTriState.msoCTrue; objSST.AdvanceTime = playTime; //翻页时的特效! objSST.EntryEffect = POWERPOINT.PpEntryEffect.ppEffectCircleOut; //Prevent Office Assistant from displaying alert messages: bAssistantOn = objApp.Assistant.On; objApp.Assistant.On = false; //Run the Slide show from slides 1 thru 3. objSSS = objPresSet.SlideShowSettings; objSSS.StartingSlide = 1; objSSS.EndingSlide = Slides; objSSS.Run(); //Wait for the slide show to end. objSSWs = objApp.SlideShowWindows; while (objSSWs.Count >= 1) System.Threading.Thread.Sleep(playTime * 100); this.objPresSet.Close(); this.objApp.Quit(); } /// <summary> /// PPT下一页。 /// </summary> public void NextSlide() { if (this.objApp != null) this.objPresSet.SlideShowWindow.View.Next(); } /// <summary> /// PPT上一页。 /// </summary> public void PreviousSlide() { if (this.objApp != null) this.objPresSet.SlideShowWindow.View.Previous(); } /// <summary> /// 对当前的PPT页面进行图片插入操作。 /// </summary> /// <param name="alImage">图片对象信息数组</param> /// <param name="offsetx">插入图片距离左边长度</param> /// <param name="pixperPoint">距离比例值</param> /// <returns>是否添加成功！</returns> public bool InsertToSlide(List<PPTOBJ> listObj) { bool InsertSlide = false; if (this.objPresSet != null) { this.SlideParams(); //objPresSet.Slides[slipeint].Shapes.Count; objPresSet.SlideShowWindow.View.Last(); int slipeint = objPresSet.SlideShowWindow.View.CurrentShowPosition; Microsoft.Office.Interop.PowerPoint.CustomLayout pCustomLayout = this.objPresSet.Slides[1].CustomLayout; foreach (PPTOBJ myobj in listObj) { objPresSet.Slides[slipeint].Shapes.AddPicture( myobj.Path, //图片路径 OFFICECORE.MsoTriState.msoFalse, OFFICECORE.MsoTriState.msoTrue, (float)((myobj.X - this.offsetx) / this.pixperPoint), //插入图片距离左边长度 (float)(myobj.Y / this.pixperPoint), //插入图片距离顶部高度 (float)(myobj.Width / this.pixperPoint), //插入图片的宽度 (float)(myobj.Height / this.pixperPoint) //插入图片的高度 ); objPresSet.Slides.AddSlide(slipeint+1, pCustomLayout); objPresSet.SlideShowWindow.View.Next(); slipeint = objPresSet.SlideShowWindow.View.CurrentShowPosition; } InsertSlide = true; } return InsertSlide; } /// <summary> /// 计算InkCanvas画板上的偏移参数，与PPT上显示图片的参数。 /// 用于PPT加载图片时使用 /// </summary> private void SlideParams() { double slideWidth = this.objPresSet.PageSetup.SlideWidth; double slideHeight = this.objPresSet.PageSetup.SlideHeight; double inkCanWidth = SystemParameters.PrimaryScreenWidth;//inkCan.ActualWidth; double inkCanHeight = SystemParameters.PrimaryScreenHeight;//inkCan.ActualHeight ; if ((slideWidth / slideHeight) > (inkCanWidth / inkCanHeight)) { this.pixperPoint = inkCanHeight / slideHeight; this.offsetx = 0; this.offsety = (inkCanHeight - slideHeight * this.pixperPoint) / 2; } else { this.pixperPoint = inkCanHeight / slideHeight; this.offsety = 0; this.offsetx = (inkCanWidth - slideWidth * this.pixperPoint) / 2; } } /// <summary> /// 关闭PPT文档。 /// </summary> public void PPTClose() { //装备PPT程序。 if (this.objPresSet != null) { //判断是否退出程序,可以不使用。 //objSSWs = objApp.SlideShowWindows; //if (objSSWs.Count >= 1) //{ //if (MessageBox.Show("是否保存修改的笔迹!", "提示", MessageBoxButton.OKCancel) == MessageBoxResult.OK) { this.objPresSet.Save(); } //} //this.objPresSet.Close(); } if (this.objApp != null) this.objApp.Quit(); GC.Collect(); } } public class PPTOBJ { string path = ""; float x; float y; float width; float height; public float X { set { x = value;} get{return x;} } public float Y { set { y = value; } get { return y; } } public float Width { set { width = value; } get { return width; } } public float Height { set { height = value; } get { return height; } } public string Path { set { path = value;} get { return path; } } } }
附
https://msdn.microsoft.com/zh-cn/library/ff746586.aspx