图片生成部分代码

using System;
using System.Drawing;
using System.Drawing.Imaging;
namespace UcaspCount
{
    public class Images
    {
        string _ofileName="";
        string _nfileName="";
        public string ofileName
        {
            get{
                return _ofileName;
               }
            set
            {
                _ofileName=value;        
            }
        } 
    
        public string nfileName
        {
            get
            {
                return _nfileName;
            }
            set
            {
                _nfileName=value;        
            }
        } 
        public Image images(){
            //得到图片
            Image oFile=Image.FromFile(ofileName);
            Image thumbnailImage=oFile.GetThumbnailImage(200,100,new Image.GetThumbnailImageAbort(callback),IntPtr.Zero);
            return thumbnailImage;        
        }
        public void MyImage()
        {
            Image nFile=Image.FromFile(nfileName);
            Bitmap newFile= new Bitmap(images());
            Graphics g= Graphics.FromImage(newFile);
            //g.DrawString("aaa",new Font("Courier New",14),new SolidBrush(Color.Red),10,20);该句就是在图片上写文字
            g.DrawImage(nFile,new Rectangle(10,10,10,10),30,30,100,100,GraphicsUnit.Pixel);//在图片上加一个小图片；
            newFile.Save(nfileName,System.Drawing.Imaging.ImageFormat.Jpeg);//保存道nfileName位置
        
        }
        public bool callback(){
            return false;
        }
    
    }


}