public static void SelectListBoxItemByHisInnerControl(FrameworkElement sourceControl, ListBox targetListBox)
{
FrameworkElement lbItemContainer = AppLib.FindVisualParentByType((FrameworkElement)sourceControl, typeof(ListBoxItem));
if (lbItemContainer == null)
{
return;
}
int idxContainer = targetListBox.ItemContainerGenerator.IndexFromContainer(lbItemContainer);
if (idxContainer != targetListBox.SelectedIndex)
{
targetListBox.SelectedIndex = idxContainer;
}
}