public static DependencyObject GetVisualParent(this DependencyObject dependencyObject)
{
dependencyObject.AssertNotNull(nameof(dependencyObject));
return(dependencyObject.CaseType((Visual v) => VisualTreeHelper.GetParent(v)).
CaseType((FrameworkContentElement f) => f.Parent).
Default(o => throw new NotSupportedException($"DependencyObject.GetVisualParent() does not support type {o.GetType().Name}. \n " +
$"The only supported types are {typeof(Visual).Name} and {typeof(FrameworkContentElement).Name}.")).
Result);
}
