title: C# Parameter is Not Valid Error
body: <p>I keep getting an error in the following code when I close the print preview window or move the print preview window.  I can't seem to understand why this is happening.  It happens on the g.DrawString() line.  As far as I can tell nothing has been disposed of either.</p>
  
  <pre><code>protected override void OnPaint(PaintEventArgs e)
      {
          Graphics g = e.Graphics;
          Brush textBrush = new SolidBrush(this.ForeColor);
  
          float width = TextRenderer.MeasureText(Text, this.Font).Width;
          float height = TextRenderer.MeasureText(Text, this.Font).Height;
  
          float radius = 0f;
  
          if (ClientRectangle.Width &lt; ClientRectangle.Height)
              radius = ClientRectangle.Width * 0.9f / 2;
          else
              radius = ClientRectangle.Height * 0.9f / 2;
  
          switch (orientation)
          {
              case Orientation.Rotate:
                  {
                      double angle = (_rotationAngle / 180) * Math.PI;
                      g.TranslateTransform(
                          (ClientRectangle.Width + (float)(height * Math.Sin(angle)) - (float)(width * Math.Cos(angle))) / 2,
                          (ClientRectangle.Height - (float)(height * Math.Cos(angle)) - (float)(width * Math.Sin(angle))) / 2);
                      g.RotateTransform((float)_rotationAngle);
                      g.DrawString(Text, this.Font, textBrush, 0, 0);
                      g.ResetTransform();
                  }
                  break;
          }
      }
  </code></pre>
  
  <p>First part of the error:</p>
  
  <pre><code>   at System.Drawing.Graphics.CheckErrorStatus(Int32 status)
     at System.Drawing.Graphics.DrawString(String s, Font font, Brush brush, RectangleF layoutRectangle, StringFormat format)
     at System.Drawing.Graphics.DrawString(String s, Font font, Brush brush, Single x, Single y)
     at ScanPro.CustomControls.UserLabel.OnPaint(PaintEventArgs e)
  </code></pre>
  
  <p>Any help would be appreciated.</p>
  
  <p>Thanks.</p>