wpf - nested binding expression?
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I have a menuitem inside GridViewColumn.HeaderTemplate that binds a CommandParameter=”{Binding RelativeSource={RelativeSource AncestorType=ContextMenu}, Path=PlacementTarget}” PlacementTarget puts me at a grid that forms the header datatemplate of my GridViewColumn. what would be the binding expression to continue this up to finally bind GridViewColumn to the commandparameter? I want to be able to walk up the dom using nested binding expression... anyone know how to do this?