/// <summary>
/// Occurs when the value of the <see cref="LayoutTransform"/> dependency property changes.
/// </summary>
private static void HandleLayoutTransformChanged(DependencyObject dobj, Transform oldValue, Transform newValue)
{
var element = (FrameworkElement)dobj;
element.OnTransformChanged();
}
/// <summary>
/// Gets a value indicating whether the specified transformation is an identity transformation.
/// </summary>
/// <param name="transform">The transform to evaluate.</param>
/// <returns><see langword="true"/> if the specified transform is an identity transform; otherwise, <see langword="false"/>.</returns>
public static Boolean IsIdentityTransform(Transform transform)
{
return (transform == null || transform.IsIdentity);
}