create thumbnails in C#

createthumbnails

//Salva la mia foto con dimensioni normali
string myImage = Server.MapPath("~/") + "public/images/" + fuImg.FileName;
fuImg.SaveAs(myImage);

//crea e salva il thumbinail
System.Drawing.Image img = System.Drawing.Image.FromFile(myImage);
System.Drawing.Image.GetThumbnailImageAbort myCallback = new System.Drawing.Image.GetThumbnailImageAbort(ThumbnailCallback);
System.Drawing.Image myThumbnail = img.GetThumbnailImage(65, 65, myCallback, IntPtr.Zero);
myThumbnail.Save(Server.MapPath("~/") + "public/thumbs/" + fuImg.FileName);