Inheritance: System.Windows.Controls.Panel
        // --------------------------------------------------------------------
partial         static void Changed_ChildState(DependencyObject dependencyObject, AccordionPanel.State oldValue, AccordionPanel.State newValue);
partial         static void Coerce_ChildState(DependencyObject dependencyObject, ref AccordionPanel.State coercedValue);
 public static void SetChildState(DependencyObject dependencyObject, AccordionPanel.State value)
 {
     if (dependencyObject != null)
     {
         if (GetChildState (dependencyObject) != value)
         {
             dependencyObject.SetValue (ChildStateProperty, value);
         }
     }
 }