如何更改PowerPoint的c＃加載項中顯示的當前幻燈片

Question

我正在嘗試使用c＃add-in來控制PowerPoint當前幻燈片（從IR遙控器雙向滑動）但我仍然停留在電源插件的編程部分

所以很簡單，我有一個無限循環等待后台線程上的串行命令（完成這部分），但我堅持如何更改當前顯示的幻燈片

我正在使用辦公室加載項 - > power point 2013加載項

Answer 1

如何更改當前顯示的幻燈片？

Microsoft.Office.Interop.PowerPoint.Application objPPT;
Microsoft.Office.Interop.PowerPoint.Presentations objPresentations;
Microsoft.Office.Interop.PowerPoint.Presentation objCurrentPresentation;
Microsoft.Office.Interop.PowerPoint.SlideShowView objSlideShowView;

private void StartPowerPointPresentation(object sender, EventArgs e)
{
    // Open an instance of PowerPoint and make it visible to the user
    objPPT = new Microsoft.Office.Interop.PowerPoint.Application();
    objPPT.Visible = Microsoft.Office.Core.MsoTriState.msoTrue;

    //Open a presentation
    OpenFileDialog openDlg = new OpenFileDialog();
    openDlg.Filter = "Powerpoint|*.ppt;*.pptx|All files|*.*";
    if (opendlg.ShowDialog() == true)
    {
        //Open the presentation
        objPresentations = objPPT.Presentations;
        objCurrentPresentation = objPresentations.Open(openDlg.FileName, MsoTriState.msoFalse, MsoTriState.msoTrue, MsoTriState.msoTrue);
        //Hide the Presenter View
        objCurrentPresentation.SlideShowSettings.ShowPresenterView = MsoTriState.msoFalse;
        //Run the presentation
        objCurrentPresentation.SlideShowSettings.Run();
        //Hold a reference to the SlideShowWindow
        objSlideShowView = objCurrentPresentation.SlideShowWindow.View;
    }
}

private void ShowNextSlide(object sender, EventArgs e)
{
    //Unless running on a timer you have to activate the SlideShowWindow before showing the next slide
    objSlideShowView.Application.SlideShowWindows[1].Activate();
    //Go to next slide
    objSlideShowView.Next();
}

這應該很容易在AddIn中實現，您可能必須在StartUp事件中連接一些事件，然后按照此示例說明如何使用對象模型來顯示Next Slides。