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How to identify a password protected excel document and provide the password dynamically?

If an excel document is encrypted with a password, XlsIO supports to raise an event to provide the password dynamically. The code snippets to provide password dynamically is given below.




The sample illustrating the behavior can be downloaded here.




Article ID: Published Date: Last Revised Date: Platform: Control:
4705 04/25/2015 04/25/2015 WinForms XlsIO
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Colin Hill Nov 19, 2016
I have tried this example in my WPF project (with some small adaptations) and it does not work.

It throws {"Strong encryption algorithms are not supported."} exception and does not raise the event.

I am using version

Any advice you can give would be much appreciated.

Thank you

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