Dim image_address As String = "XXXXX" 这个参考帮助的这个
ftp://zhanshang:138238@egridsoft.com/public/isam.zip"
Dim wr As system.net.WebRequest = system.net.WebRequest.Create(image_address)
Dim res As system.net.WebResponse= wr.GetResponse
Dim bmp As New Bitmap(res.GetResponseStream)
e.Form.Controls("PictureBox1").SizeMode = ImageSizeMode.Zoom
e.Form.Controls("PictureBox1").Image=bmp