Load styles from file in navigation menu using word add-in

See more:

C#

AddIn

MS-Word

How to load styles from .dotm file to word and display it in navigation menu using word add-ins Ribbon in MS-Word ?

I can load the styles but I want to show it in navigation menu appear in the left of the active word file

the code to load the Styles is :

private void AttachTemplatestyle(Microsoft.Office.Interop.Word.Document document, string templateFilePath)
{
    object oTemplate = (object)templateFilePath;
    document.set_AttachedTemplate(ref oTemplate);
    document.UpdateStyles();
}