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I have a webbrowser control in my winforms application to display a selected pdf file, after this i want to move the pdf file to an other location.
When i trie to move the pdf file it is giving me an error that the file is in use. I tried to make the webbrowser navigate to a other page before it is moved but it still give me this error that the file is used by an other process.
How can i release this pdf file so i can just move it? Disposing the webbrowser didn't do the trick.
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They are stored at this path %USERPROFILE%\AppData\Local\ in Windows.
Right-click the PDF, choose Open With > Choose default program or another app in. 2. Choose Adobe Acrobat Reader DC or Adobe Acrobat DC in the list of programs, and then do one of the following: (Windows 10) Select Always use this app to open .
They say "Adobe Acrobat and Adobe Reader are designed to continue running for a few minutes after you close the browser window in which you viewed PDF files."
The workaround for this seems to be :
Copy the PDF to a temporary file and display it, and then when you navigate away, it doesn't matter if AcroRD32.exe holds onto the PDF for a few minutes because you can still do what you need with the original!
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