AjaxControlToolkit.AnimationExtenderControlBase.ResolveControlIDs C# (CSharp) Method

        protected void ResolveControlIDs(Animation animation)
        {
            if(animation == null) {
                return;
            }

            // See if the animation had a target
            string id;
            if(animation.Properties.TryGetValue("AnimationTarget", out id) && !String.IsNullOrEmpty(id)) {
                // Try to find a control with the target's id by walking up the NamingContainer tree
                Control control = null;
                var container = NamingContainer;
                while((container != null) && ((control = container.FindControl(id)) == null)) {
                    container = container.Parent;
                }

                // If we found a control
                if(control != null) {
                    // Map the server ID to the client ID
                    animation.Properties["AnimationTarget"] = control.ClientID;
                }
            }

            // Resolve any server control IDs in the animation's children
            foreach(var child in animation.Children)
                ResolveControlIDs(child);
        }