How do we use the ProgID column in the File Associations settings?

Question

I\'m deploying my application using ClickOnce.

I want to register a file association but I can\'t manage to make it work: What should I use as ProgID

Answer 1

Some examples from the registry subkeys
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\ ~ \OpenWithProgids:

• .bmp - Paint.Picture
• .csproj - VisualStudio.Launcher.csproj.15.0
• .csv - Excel.CSV
• .docx - Word.Document.12
• .mp4 - WMP11.AssocFile.MP4