c# - How to add context menu item to outlook when it in reading email mode -

so, want create add-in can read selected word @ email , send api clicking on context menu. text selection clear. stuck in creating context menu.

i search web , found need add contextmenu item ribbon xml specific idmso of don't understand.

p.s. found document outlook controls names here http://www.microsoft.com/en-us/download/confirmation.aspx?id=6627

ok, found it! idmso="contextmenureadonlymailtext"