用这个吧,属性不需要设置为远程也可用
Dim image_address As String = " ftp://zhanshang:138238@egridsoft.com/images/1.wmf"
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