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Print PDF events

Posted: Sun Jan 28, 2024 1:28 pm
by michal@dorfin.waw.pl
When user prints PDF from within the Javascript browser opens default printing window. Is there any way to get the info that this form has been opened and closed ? Do we have any event that we could process ?
The onJsDialog and onFileDialog doesn't work in this case.

Re: Print PDF events

Posted: Sun Jan 28, 2024 5:10 pm
by salvadordf
Hi,

CEF exposes several events related to the printing process but the event that you need only works in Linux.

There are two options :
  • Use JavaScript events : https://stackoverflow.com/questions/18325025/how-to-detect-window-print-finish
  • Use the DDetours component to hook the Windows API function that opens the print dialog. https://github.com/MahdiSafsafi/DDetours