Microsoft.Windows.Controls.Ribbon.RibbonMenuButton.OnContextMenuClosingInternal C# (CSharp) Метод

        private void OnContextMenuClosingInternal()
        {
            InContextMenu = false;
            if (IsDropDownOpen)
            {
                RibbonHelper.AsyncSetFocusAndCapture(this,
                    delegate() { return IsDropDownOpen; },
                    this,
                    this);
            }
        }