我想打开ppt [英] I am trying to open ppt

问题描述

我正尝试使用以下代码从c：\ myppts\first.ppt打开ppt。但是我得到了例外。

 objApp =  new  Microsoft.Office.Interop.PowerPoint.Application { Visible = MsoTriState.msoTrue}; 
 objPresSet = objApp.Presentations; 
 objPres = objPresSet.Open（  c：\ myppts\ first.ppt ）; 

但我得到以下异常：

COMException：PowerPoint无法打开使用以下代码

  private   void  btnPPT_Click（ object  sender，EventArgs e）
 {
 Microsoft.Office.Interop.PowerPoint.Application pptApp =  new  Microsoft.Office.Interop.PowerPoint.Application（）; 
 Microsoft.Office.Core.MsoTriState ofalse = Microsoft.Office.Core.MsoTriState.msoFalse; 
 Microsoft.Office.Core.MsoTriState otrue = Microsoft.Office.Core.MsoTriState.msoTrue; 
 pptApp.Visible = otrue; 
 pptApp.Activate（）; 
 Microsoft.Office.Interop.PowerPoint.Presentations ps = pptApp.Presentations; 
 Microsoft.Office.Interop.PowerPoint.Presentation p = ps.Open（ @  D：\ AQHA \ Wegbeschreibung \ Reithallenplan.pptx，ofalse，ofalse，otrue）; 
 System.Diagnostics.Debug.Print（p.Windows.Count.ToString（））; 
 MessageBox.Show（pptApp.ActiveWindow.Caption）; 
} 

I am trying to open ppt from "c:\myppts\first.ppt" with the below code. But i am getting the exception.

objApp = new Microsoft.Office.Interop.PowerPoint.Application { Visible = MsoTriState.msoTrue };
objPresSet = objApp.Presentations;
objPres = objPresSet.Open("c:\myppts\first.ppt");

But i am getting the below exception:
COMException: PowerPoint could not open the file.

解决方案

Try with following code

    private void btnPPT_Click(object sender, EventArgs e)
    {
      Microsoft.Office.Interop.PowerPoint.Application pptApp = new Microsoft.Office.Interop.PowerPoint.Application();
      Microsoft.Office.Core.MsoTriState ofalse = Microsoft.Office.Core.MsoTriState.msoFalse;
Microsoft.Office.Core.MsoTriState otrue = Microsoft.Office.Core.MsoTriState.msoTrue;
      pptApp.Visible = otrue;
      pptApp.Activate();
      Microsoft.Office.Interop.PowerPoint.Presentations ps = pptApp.Presentations;
      Microsoft.Office.Interop.PowerPoint.Presentation p = ps.Open(@"D:\AQHA\Wegbeschreibung\Reithallenplan.pptx", ofalse, ofalse, otrue);
      System.Diagnostics.Debug.Print(p.Windows.Count.ToString());
      MessageBox.Show(pptApp.ActiveWindow.Caption);
    }

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