private static void HighlightRect(Rectangle rect)
{
SystemWindow window = SystemWindow.DesktopWindow;
using (WindowDeviceContext windowDC = window.GetDeviceContext(false))
{
using (Graphics g = windowDC.CreateGraphics())
{
g.DrawRectangle(Pens.Blue, rect.X - 1, rect.Y - 1, rect.Width + 2, rect.Height + 2);
}
}
}
