C#操作PowerPoint代码,Asp.Net代码库,德仔网

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【Asp.Net】 C#操作PowerPoint
作者:沥然 / 发布于2015/3/10/ 652

	using System;
	using System.Collections.Generic;
	using System.Linq;
	using System.Text;
	using OFFICECORE = Microsoft.Office.Core;
	using POWERPOINT = Microsoft.Office.Interop.PowerPoint;
	using System.Windows;
	using System.Collections;
	using System.Windows.Controls;
	namespace PPTDraw.PPTOperate
	{
	 /// <summary>
	 /// PPT文档操作实现类.
	 /// </summary>
	 public class OperatePPT
	 {
	 #region=========基本的参数信息=======
	 POWERPOINT.Application objApp = null;
	 POWERPOINT.Presentation objPresSet = null;
	 POWERPOINT.SlideShowWindows objSSWs;
	 POWERPOINT.SlideShowTransition objSST;
	 POWERPOINT.SlideShowSettings objSSS;
	 POWERPOINT.SlideRange objSldRng;
	 bool bAssistantOn;
	 double pixperPoint = 0;
	 double offsetx = 0;
	 double offsety = 0;
	 #endregion
	 #region===========操作方法==============
	 /// <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);
	 //Prevent Office Assistant from displaying alert messages:
	 bAssistantOn = objApp.Assistant.On;
	 objApp.Assistant.On = false;
	 objSSS = this.objPresSet.SlideShowSettings;
	 objSSS.Run();
	 }
	 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.msoCTrue, 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();
	 int slipeint = objPresSet.SlideShowWindow.View.CurrentShowPosition;
	 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
	 );
	 }
	 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();
	 }
	 #endregion
	 }
	}
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