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I need to add a context menu item, which will open WinRAR with some args/flags and pass the filenames of those which are selected to it too.

For instance, softwares like WinRAR accepts command-line arguments where we could specify file format, save folder, compression level etc.

I've noticed the shell and shellex registry pattern in windows and after playing around for a while, I've successfully added a "Open with my app" for a particular extension.

But for multiple files selection (of various types), menu items under * key points to something else! I couldn't understand what they were! My humble intentions comprises of making a backup file ( from whichever files or folders that are selected and save them to a custom my_backup folder.

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I'm new to this site. Could someone explain to me what these down votings are for? Did I mess up any community guidelines? – Renae Lider Dec 21 '13 at 22:19
Doesn't your archive manager support context menu options? – gronostaj Dec 21 '13 at 23:27
I think the downvotes are because any decent archive manager will have context menu support. – That Brazilian Guy Jan 10 '14 at 22:41

WinRAR already has this feature. It's here in the settings, under "Shell integration":

enter image description here

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