></p></span> <div class="summary">
            XAML attibute. Indicates the property of some <span class="code">BindingBase</span>-derived type, that
            is used to bind some item of <span class="code">ItemsControl</span>-derived type. This annotation will
            enable the <span class="code">DataContext</span> type resolve for XAML bindings for such properties.
            </div><div class="collapsibleAreaRegion"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID0RB')" onk