PdfSharp.Drawing.XGraphics.Clear C# (CSharp) Method

    public void Clear(XColor color)
    {
      if (this.drawGraphics)
      {
#if GDI
        if (this.targetContext == XGraphicTargetContext.GDI)
          this.gfx.Clear(color.ToGdiColor());
#endif
#if WPF
        if (this.targetContext == XGraphicTargetContext.WPF)
        {
          Rect rc = new Rect();
          rc.Width = rc.Height = 10000;
          this.dc.DrawRectangle(new SolidColorBrush(color.ToWpfColor()), null, rc);
        }
#endif
      }

      if (this.renderer != null)
        this.renderer.Clear(color);
    }

 public virtual void RenderPage(XGraphics gfx)
 {
   //Debug.WriteLine("RenderPage");
   gfx.Clear(this.properties.General.BackColor.Color);
   //DrawGridlines(gfx);
   gfx.SmoothingMode = XSmoothingMode.AntiAlias;
 }