C#打开PPTX文件到特定的幻灯片索引

using Microsoft.Office.Interop.PowerPoint;

public void OpenPPTXFile(string filePath, int slideIndex)
{
    Application pptApplication = new Application();
    Presentation pptPresentation = pptApplication.Presentations.Open(filePath, MsoTriState.msoFalse, MsoTriState.msoFalse, MsoTriState.msoFalse);

    // 检查幻灯片索引是否有效
    if (slideIndex >= 1 && slideIndex <= pptPresentation.Slides.Count)
    {
        Slide slide = pptPresentation.Slides[slideIndex];
        slide.Select();
    }
    else
    {
        // 幻灯片索引无效的处理逻辑
    }

    pptPresentation.Close();
    pptApplication.Quit();
}