AjaxControlToolkit.HtmlEditor.ToolbarButtons.ColorSelector.OnPreRender C# (CSharp) Method

        protected override void OnPreRender(EventArgs e)
        {
            if(FixedColorButtonId.Length > 0 && !IsDesign) {
                var but = Parent.FindControl(FixedColorButtonId) as FixedColorButton;
                if(but != null)
                    ToolTip = but.ToolTip;
            }
            base.OnPreRender(e);
        }