title: C# how to convert system.windows.media.brush to system.drawing.brush
body: <p>I am trying to add a watermark for a TextBox. The TextBox.Background is a System.Windows.Media.Brush. I need the Graphics.FillRectangle(System.Drawing.Brush....)</p>
  
  <p>Is there any way to convert the mediea brush to the drawing brush?</p>