WPF DataGrid: Binding DataGridColumn visibility to ContextMenu MenuItems IsChecked (MVVM)?

I just wrote a blog post on this topic. It allows DataGridColumns to be shown or hidden through a ContextMenu that is accessible by right-clicking any column header. This task is accomplished purely through attached properties so it is MVVM-compliant.

I know this is a bit old. But I was looking at doing this and this post is much simpler: http://iimaginec.wordpress.com/2011/07/25/binding-wpf-toolkit%E2%80%99s-datagridcolumn-to-a-viewmodel-datacontext-propogation-for-datagrid-columns-the-mvvm-way-to-interact-with-datagridcolumn.

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