public void Attach(AutoGridColumnContext context) { var path = context.GetAttribute <TooltipSourceAttribute>()?.Path; if (path == null) { return; } var style = WpfHelpers.EnsureDefaultCellStyle(context.Args.Column); var binding = new Binding(path); style.Setters.Add(new Setter(ToolTipService.ToolTipProperty, binding)); }