CreateDraftImage.cs

// creates a new "DRAFT" sample image
private Bitmap CreateDraftImage()
{
    string sText = "DRAFT";

    Bitmap destination = new Bitmap(400, 400);
    using (Graphics g = Graphics.FromImage(destination))
    {
        GraphicsUnit units = GraphicsUnit.Pixel;

        g.Clear(Color.White);
        StringFormat stringFormat = new StringFormat();
        stringFormat.Alignment = StringAlignment.Center;
        stringFormat.LineAlignment = StringAlignment.Center;

        g.DrawString(sText, new Font(
            "Arial", 
            90, 
            FontStyle.Bold,
            GraphicsUnit.Pixel), 
            new SolidBrush(
                Color.FromArgb(64, Color.Black)),
                destination.GetBounds(ref units),
                stringFormat);
    }

    return destination;
}