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VB.NET UWP/WinRT Examples

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(VB.NET UWP/WinRT) Get FTP File Permissions

VB.NET UWP/WinRT example showing how to retrieve file permissions (via FTP) for each file in a remote directory.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim ftp As New Chilkat.Ftp2

' Set the various properties to establish the connection.
ftp.Hostname = "ftp.example.com"
ftp.Username = "login"
ftp.Password = "password"

' If SSL/TLS is required..
' See http://www.cknotes.com/determining-ftp2-connection-settings/ 
' for more information.
ftp.AuthTls = True
ftp.PassiveUseHostAddr = True

' Connect to the FTP server:
Dim success As Boolean = Await ftp.ConnectOnlyAsync()
If (success <> True) Then
    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
End If


' Authenticate with the FTP server.
success = Await ftp.LoginAfterConnectOnlyAsync()
If (success <> True) Then
    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
End If


' To get file permissions in UNIX format, disallow MSLD:
ftp.AllowMlsd = False

' To get file and sub-directory information, simply
' loop from 0 to ftp.GetDirCount() - 1
Dim i As Integer = 0
Dim n As Integer = Await ftp.GetDirCountAsync()
If (n < 0) Then
    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
End If


' Show the type of permissions information that is available.
' The two most common types are "mlsd" and "unix".  See the
' online reference documentation for more information.
If (n > 0) Then
    Debug.WriteLine("The permissions format is: " & Await ftp.GetPermTypeAsync(0))
End If


While i < n

    ' Display the permissions and filename
    Debug.WriteLine(Await ftp.GetPermissionsAsync(i) & " " & Await ftp.GetFilenameAsync(i))

    i = i + 1
End While


' Assuming MLSD was possible, let's see the file permissions in MLSD format:
ftp.AllowMlsd = True

' Clear the directory cache so we're forced to re-fetch the directory listing:
ftp.ClearDirCache()

n = Await ftp.GetDirCountAsync()
If (n < 0) Then
    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
End If


' Show the type of permissions information that is available.
' The two most common types are "mlsd" and "unix".  See the
' online reference documentation for more information.
If (n > 0) Then
    Debug.WriteLine("----")
    Debug.WriteLine("The permissions format is: " & Await ftp.GetPermTypeAsync(0))
End If


i = 0
While i < n

    ' Display the permissions and filename
    Debug.WriteLine(Await ftp.GetPermissionsAsync(i) & " " & Await ftp.GetFilenameAsync(i))

    i = i + 1
End While



success = Await ftp.DisconnectAsync()

 

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