WinForm动态添加控件及其事件(转)

出处:http://blog.sina.com.cn/s/blog_60d576800100tf61.html

1        private void PhotoForm_Load(object sender, System.EventArgs e)
 2        {
 3            this.LoadPhoto();
 4        }
 5        private void LoadPhoto()
 6        {
 7            int  i= 0;
 8            string url = this.GetUrl();
 9            string[] sFiles = System.IO.Directory.GetFiles(url+"\images\small\","*.*");
10            for(i=0;i<sFiles.Length;i++)
11            {
12                this.ViewPhoto(i,sFiles[i].ToString());
13            }
14        }
15        /// <summary>
16        /// 取项目路径
17        /// </summary>
18        /// <returns></returns>
19        private string GetUrl()
20        {
21            string b = Application.StartupPath;
22            int i = b.LastIndexOf("\");
23            b = b.Substring(0,i);
24            int j = b.LastIndexOf("\");
25            b = b.Substring(0,j+1);
26            return b; 
27        }
28        /// <summary>
29        /// 加载图片控件
30        /// </summary>
31        /// <param name="i">图片序号</param>
32        /// <param name="filePath">文件名</param>
33        private void ViewPhoto(int i,string filePath)
34        {
35            string name="";
36            name = "image_"+i.ToString();
37            PictureBox pb = new PictureBox();
38            pb.Name = name;
39            pb.Image=System.Drawing.Image.FromFile(filePath);
40            //保存文件名
41            pb.Tag = filePath;
42            this.Controls.Add(pb);
43            pb.Width=128;
44            pb.Height =96;
45            pb.Location = new Point(x,y);
46            x=x+230;
47            if((i+1)%4==0 && i!=0)
48            {
49                x=100;
50                y=y+120;
51            }
52            //添加事件
53            pb.Click += new System.EventHandler(picture_Click);
54
55        }    
56        private void picture_Click(object sender, System.EventArgs e)
57        {
58            PictureBox pb = (PictureBox)sender;
59            string name = pb.Name;
60            string path = pb.Tag.ToString();
61        }