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// For complete examples and data files, please go to https://github.com/groupdocs-watermark/GroupDocs.Watermark-for-.NET
using (SlidesDocument doc = Document.Load<SlidesDocument>(Utilities.MapSourceFilePath(FilePath)))
{
    // Replace hyperlink
    doc.Slides[0].Charts[0].SetHyperlink(SlidesHyperlinkActionType.MouseClick, "https://www.aspose.com/");
    doc.Slides[0].Shapes[0].SetHyperlink(SlidesHyperlinkActionType.MouseClick,"https://www.groupdocs.com/");

    // Remove hyperlink
    doc.Slides[1].Charts[0].SetHyperlink(SlidesHyperlinkActionType.MouseClick,null);
    doc.Slides[1].Shapes[0].SetHyperlink(SlidesHyperlinkActionType.MouseClick,null);

    doc.Save();
}