| オーバーロード | 解説 |
|---|---|
| Add(PageColumnDef) | Adds a PageColumnDef to the current collection. |
| Add(Unit,Unit) | Adds a new PageColumnDef initialized with the specified width and spacing to the current collection. |
| Add() | Adds a new PageColumnDef initialized with the default PageColumnDef.Width and PageColumnDef.Spacing to the current collection. |