bool ISelectionContainer.this[object item]
{
get
{
var typed = ArgValidation.ThrowIfMismatch <T>(item, "item");
return(IsSelected(typed));
}
}
private static void TrySetupMenu(DependencyObject obj)
{
var property = GetIsOpenProperty(obj);
var menu = GetMenu(obj);
if (menu != null && property != null)
{
var toggle = ArgValidation.ThrowIfMismatch <FrameworkElement>(obj, "obj");
menu.PlacementTarget = toggle;
menu.Placement = PlacementMode.Bottom;
menu.SetBinding(ContextMenu.IsOpenProperty, new Binding(property.Name)
{
Source = toggle, Mode = BindingMode.OneWay
});
ContextMenuService.SetContextMenu(toggle, menu);
}
}