FirstFloor.ModernUI.Windows.Controls.ColorPicker.OnApplyTemplate C# (CSharp) Method

        public override void OnApplyTemplate() {
            base.OnApplyTemplate();

            if (Popup != null) {
                Popup.Opened -= Popup_Opened;
            }

            Popup = GetTemplateChild("PART_Popup") as Popup;
            _panel = GetTemplateChild("PART_Panel") as ColorPickerPanel;
            
            if (Popup != null) {
                Popup.Opened += Popup_Opened;
            }
        }