How to: Add a Custom Action to an Outlook Form Region
Add one or more custom actions to a Microsoft Office Outlook form region by using the Custom Actions dialog box. For more information, see Custom Actions in Outlook Form Regions.
Applies to: The information in this topic applies to application-level projects for Outlook 2007 and Outlook 2010. For more information, see Features Available by Office Application and Project Type.
To add a custom action to a form region
In Visual Studio, open an Outlook add-in project that contains a form region item. For more information, see How to: Add a Form Region to an Outlook Add-in Project.
In Solution Explorer, expand the project node, right-click the form region item, and then click View Designer.
The form region designer appears.
Right-click the form region designer, and then click Properties.
In the Properties window, expand the Manifest node, select the CustomActions property, and then click the ellipsis button ().
The Custom Actions dialog box appears.
Click Add to add a new custom action.
Set the properties of the custom action, and then click OK to close the Custom Actions dialog box.
For information about what each property means, see Custom Actions in Outlook Form Regions.