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Applies to:
Visual Studio
Visual Studio for Mac
Note
This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here
The formRegion element of the vstov4 namespace identifies a Microsoft Office Outlook form region that is associated with a VSTO Add-in.
Syntax
<formRegion
name>
<messageClass
name/>
</formRegion>
Elements and attributes
The formRegion element of the vstov4 namespace identifies a form region that is associated with an Outlook VSTO Add-in. It is required only for Outlook VSTO Add-ins that include form regions.
There can be multiple formRegion elements defined inside a formRegions element for a single VSTO Add-in.
The formRegion element has the following attribute.
| Attribute | Description |
|---|---|
name |
Required. Identifies the form region name. |
The formRegion element has the following child elements.
messageClass
The messageClass element identifies the Outlook form that is associated with the form region.
The messageClass element has the following attribute.
| Attribute | Description |
|---|---|
name |
Required. Identifies the form that is associated with the form region. |
Example
The following code example illustrates a formRegion element in an application manifest for an Outlook VSTO Add-in deployed using ClickOnce. There are three message classes associated with this one form region. This code example is part of a larger example provided in Application manifests for Office solutions.
<vstov4:formRegion
name="OutlookAddIn1.FormRegion1">
<vstov4:messageClass name="IPM.Note" />
<vstov4:messageClass name="IPM.Contact" />
<vstov4:messageClass name="IPM.Appointment" />
</vstov4:formRegion>