Style.LanguageID Property
Returns or sets the language for the specified object. Read/write.
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)
Can be any WdLanguageID constant.
Some of the WdLanguageID constants may not be available to you, depending on the language support (U.S. English, for example) that you’ve selected or installed.