/// <summary>
/// Initialize the binding instance.
/// </summary>
/// <param name='target'>
/// The target object to bind to.
/// </param>
/// <param name='targetProperty'>
/// The name of the Target property.
/// </param>
/// <param name='source'>
/// The Source object to bind to.
/// </param>
/// <param name='binding'>
/// The source Binding.
/// </param>
private void Initialize(object target, string targetProperty, object source, Binding binding)
{
this.target = new WeakReference(target);
this.source = new WeakReference(source);
this.TargetProperty = targetProperty;
this.Binding = binding;
this.RegisterForPropertyChangesOnSource();
this.RegisterForPropertyChangesOnTarget();
this.targetPropertyInfo = target.GetPropertyInfo(this.TargetProperty);
this.UpdateTarget();
}