PageSetup.TextColumns Property

Returns a TextColumns collection that represents the set of text columns for the specified PageSetup object.

Namespace:  Microsoft.Office.Interop.Word
Assembly:  Microsoft.Office.Interop.Word (in Microsoft.Office.Interop.Word.dll)

TextColumns TextColumns { get; set; }

There will always be at least one text column in the collection. When you create new text columns, you're adding to a collection of one column.

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