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