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Replace hyperlinks in .pptx and .pptm

Hi I need to replace all hyperlinks in the slides of the powerpoint. for example if the URL starts with www.abc.123.com then it should be www.xyz.123.com

I am able to do it for the files with .ppt extension using the code

Aspose.Slides.Link.SetExternalHyperlink(newURl)

but for my files with pptx and pptm extension I am able to fetch the URL by using the code

portion.PortionFormat.HLinkClick.ExternalUrl, but I am not able set it as the ExternalUrl is a readonly property.

Please let me know how can it be done for the the PPTX and PPTM files. I am creating the ppt object by using the following code.

PresentationEx ppt = new PresentationEx(s)

Hi Anshuman,


Thank you for your interest in Aspose.Slides.

I have observed your comments and like to request you to please try using following sample code on your end and then share your kind feedback with us. Also, I have attached the source and generated presentation for your kind reference.

Presentation pres = new
Presentation(“D:\hyperlink.pptx”);<o:p></o:p>

List<String> HypLinks = new List<String>();

//Get an Array of TextFrame objects from the first slide

ITextFrame[] textFramesSlideOne = Aspose.Slides.Util.SlideUtil.GetAllTextBoxes(pres.Slides[0]);

//Loop through the Array of TextFrames

for (int i = 0; i < textFramesSlideOne.Length; i++)

//Loop through paragraphs in current TextFrame

foreach (Paragraph para in textFramesSlideOne[i].Paragraphs)

//Loop through portions in the current Paragraph

foreach (Portion port in para.Portions)

{

if (port.PortionFormat.AsIHyperlinkContainer.HyperlinkClick != null)

{

HypLinks.Add(port.PortionFormat.AsIHyperlinkContainer.HyperlinkClick.ExternalUrl);

port.PortionFormat.HyperlinkManager.SetExternalHyperlinkClick("customURL.com");

port.Text = "customtext";

}

}

pres.Save("D:\\hyperlinkURL.pptx", Aspose.Slides.Export.SaveFormat.Pptx);


I hope this will be helpful. Please share if I may help you further in this regard.

Best Regards,