_Document.CustomDocumentProperties Property
Office 2003
Returns a Microsoft.Office.Core.DocumentProperties collection that represents all the custom document properties for the specified document.
Namespace: Microsoft.Office.Interop.Word
Assembly: Microsoft.Office.Interop.Word (in microsoft.office.interop.word.dll)
Assembly: Microsoft.Office.Interop.Word (in microsoft.office.interop.word.dll)
Use the BuiltInDocumentProperties property to return the collection of built-in document properties.
Properties of type msoPropertyTypeString cannot exceed 255 characters in length.