The information in this topic applies only to the specified Visual Studio Tools for Office projects and versions of Microsoft Office.
Microsoft Office version
For more information, see Features Available by Product Combination.
These files are generated by Visual Studio Tools for Office. Do not modify these files manually. Changes to these files might cause incorrect behavior and will be lost if the code is regenerated.
The <Host Item>.designer.xml files are declarative representations of the programmable objects in the Office document. The XML serves as a blueprint for the Visual Basic or C# code that is generated for the <Host Item>.designer.vb or <Host Item>.designer.cs file.