When adding a picture to the Presentation.Pictures collection, sometimes the Picture.PictureId property never changes to show a value other than 1. I can add several images to the collection, each getting their own ID. Then I add, say, a 9th image and although the Presentation.Pictures collections has a Count=9, the PictureID of the newly added picture still says 1.
There is another post (http://www.aspose.com/Community/Forums/16257/ShowPost.aspx) where a user discusses the exact same problem at the end of his post. It doesn't look like this issue was resolved.
Can you disable the "feature" of not adding pictures to a collection that match the signature of other pictures? I'm ok with this as an option if it's what's causing the bug.
I'm using version 22.214.171.124