Outlook 2010 Context Menu For Embedded Attachments - idMso?
问题 I am working on Otlook 2010 add-in and currently customizing Ribbon UI. So far so good, but I have one problem with customizing context menu for embedded objects in mails. I have tried many idMso context menus, but none of them is working. Do anyone have experience which idMso is context menu shown below or how to add new button there ? Sample of my custom-ribbon.xml: <?xml version="1.0" encoding="utf-8"?> <customUI onLoad="OnRibbonLoad" xmlns="http://schemas.microsoft.com/office/2009/07