不用那么麻烦,可以在线读的.
Dim image_address As String = "FTP://FTP-qDCm56ge584n7m6h:9V5dx4YrVYSyc283dTqB@222.241.172.223:33821/Upload/图片/B17.PNG"
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