internal static void SetVisualStateGroups(FrameworkElement obj, VisualStateGroupCollection value)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
obj.SetValue(VisualStateManager.VisualStateGroupsProperty, value);
}
internal static VisualStateGroupCollection GetVisualStateGroupsInternal(FrameworkElement obj)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
VisualStateGroupCollection groups = obj.GetValue(VisualStateManager.VisualStateGroupsProperty) as VisualStateGroupCollection;
if (groups == null)
{
groups = new VisualStateGroupCollection();
SetVisualStateGroups(obj, groups);
}
return(groups);
}