BrightnessTray.MainWindow.ContextMenuPopup C# (CSharp) Метод

        private void ContextMenuPopup(object sender, EventArgs e)
        {
            // update the slider to the current brightness
            var currentBrightness = WmiFunctions.GetBrightnessLevel();

            mnuLabel.Text = "Brightness: " + currentBrightness + "%";
        }