/// <summary>
/// apply transparent color when alert popup is open
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void alertPop_Closed(object sender, EventArgs e)
{
AlertButtonBackColor = DefaultProperties.TransparentColor();
AlertBorderStrokeColor = DefaultProperties.AlertBorderStrokecolor(AlertBorderStrokecolor);
}
