CoolWatermark is a cool and strong assembly to write watermark text or overlapped photo on image and is designed for .NET, working with both Windows.form application and ASP.NET.Read all Image type .NET supports(Bmp, Emf, Exif, Gif, Icon, Jpeg, Png, Tif, Wmf ) .All methods return System.Drawing.Image object on which you can make any modification, so you can aslo write it in any formation .NET supports.Write text with kinds of special shape and effect; shadow and hollow the text; traparent watermark, and specialize the default position of watermark.