I have a windows application. This calls web service to create letters (DOCX Files) using word templates. Another web service is there which creates pdf files.
This works perfectly fine when client system has VSTo run time.
How ever there are situations where the clients will not have dotnet redistributable. So I want that to be installed from the web service I call to create pdf file.
I want to know if there is any way I can make sure that the web service downloads the VSTO and notifies the user to install the same. This should happen for first time. Next time onwards it should not ask.
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