主题：图片，上传到ftp

试试改成

Dim dlg As New openFileDialog '定义一个新的SaveFileDialog
dlg.MultiSelect = True
If dlg.showDialog = DialogResult.Ok Then '如果用户单击了确定按钮
    Dim ftp1 As new  ftpclient
    ftp1.host="*****"
    ftp1.Account =  "ftp003"
    ftp1.password =  "*****"
   
    For Each f As String In dlg.FileNames
        If  ftp1.Upload(f,"\系统更新\" & filesys.GetName(f) , True) = True Then
            Messagebox.show(dlg.FileName & "上传完成!","提示",MessageBoxButtons.OK,MessageBoxIcon.Information)
        Else
            Messagebox.show(dlg.FileName & "上传失败!","提示",MessageBoxButtons.OK,MessageBoxIcon.Information)
        End If
    Next
    ftp1.Close
End If