C#操作PowerPoint的基本代码
2022-04-04 16:06阅读：
C#操作PowerPoint的基本代码，包括打开ppt文件、读取幻灯页，插入幻灯片，自动播放等
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
{
///
/// PPT文档操作实现类.
///
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==============
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();
}
}
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();
}
public void
NextSlide()
{
if (this.objApp != null)
this.objPresSet.SlideShowWindow.View.Next();
}
///
///
PPT上一页。
///
public void
PreviousSlide()
{
if (this.objApp != null)
this.objPresSet.SlideShowWindow.View.Previous();
}
public bool
InsertToSlide(List 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),
(float)(myobj.Y / this.pixperPoint),
