Hi,
Can anyone help me, how do you detect if there are changes made on the thumbnail viewer (eg. re-ordered pages, placed a stamp, placed annotations) and prompts you to save changes upon closing the form?
Thank you very much.
Regards,
Eric
HOw to detect changes on thumbnail viewer
Re: HOw to detect changes on thumbnail viewer
Detecting a page reordering is easy, you just have to catch the ItemMoved event documented here: https://www.gdpicture.com/guides/gdpicture/we ... ed_EV.html
There is no point detecting any other action such as placing a stamp or another annotation since it does not happen on the thumbnail but on the document attached and there are all the required events to catch those in GdViewer.
There is no point detecting any other action such as placing a stamp or another annotation since it does not happen on the thumbnail but on the document attached and there are all the required events to catch those in GdViewer.
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