Outlook hyperlink context menu
问题 I'm trying to make a context menu for a hyperlink. It seems there are several contexts where hyperlink events can be intercepted -- at the moment I'm interested in the context menu with idMso="ContextMenuReadOnlyMailHyperlink". There are two different ways the callback for my new button in this menu can be executed -- if hyperlink is right-clicked in the preview pane of Outlook, or if an email is opened for reading in its own window. When invoked from preview pane, my callback receives an