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SyncFusion.Presentation - access to Alt Text?

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147277 Sep 5,2019 12:57 AM UTC Sep 5,2019 11:08 AM UTC WinForms 1
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Tags: Presentation
Bob Hickman
Asked On September 5, 2019 12:57 AM UTC

I've searched through the API docs and cannot find any way to access the Alt Text for any Presentation object.
Does this capability exist?

Vijayasurya Anandhan [Syncfusion]
Replied On September 5, 2019 11:08 AM UTC

Hi Bob,


Thank you for contacting Syncfusion support.

Yes, Essential Presentation library has the capability to access and edit the alt text of each presentation object in the slide.

Our Essential Presentation library use Description API to get or set the alt text value for each presentation object present in the slide.

For better understanding, we have prepared a sample to meet your requirement in which we have done the following things.

1. Created a template PowerPoint presentation with table, picture, OleObject etc., with alt text for each object.

2. Opened the presentation using Essential Presentation Library.

3. Iterated each shape of each slide available in the presentation.

4. Checked whether the shape is OleObject and description (alt text) of the corresponding shape is same as in the template presentation. If it is so, modified the description (alt text) value.  

5. Saved the PowerPoint presentation.

Please download the sample from the below link:
https://www.syncfusion.com/downloads/support/forum/147277/ze/Alt_text_sample-828475460.zip

Please let us now if you need further assistance in this.

Regards,
Vijayasurya A  


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