(VB.NET UWP/WinRT) Get FTP Directory Listing Information

VB.NET UWP/WinRT example showing how to get information about files and subdirectories in the current remote FTP 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

ftp.Hostname = "ftp.example.com"
ftp.Username = "login"
ftp.Password = "password"

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


' The ListPattern property is our directory listing filter.
' The default value is "*", which includes everything.
Debug.WriteLine(ftp.ListPattern)

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

If (n > 0) Then
    For i = 0 To n - 1

        ' Display the filename
        Debug.WriteLine(Await ftp.GetFilenameAsync(i))

        ' Display the file size (in bytes)
        Debug.WriteLine(Await ftp.GetSizeAsync(i))

        ' Is this a sub-directory?
        If (Await ftp.GetIsDirectoryAsync(i) = True) Then
            Debug.WriteLine(".. this is a sub-directory")
        End If


        Debug.WriteLine("--")
    Next
End If


Debug.WriteLine("-----------------------------------")

' Only files and directories
' matching the ListPattern are returned.
ftp.ListPattern = "*.asp"
n = Await ftp.GetDirCountAsync()
If (n < 0) Then
    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
End If

If (n > 0) Then
    For i = 0 To n - 1

        ' Display the filename
        Debug.WriteLine(Await ftp.GetFilenameAsync(i))

        ' Display the file size (in bytes)
        Debug.WriteLine(Await ftp.GetSizeAsync(i))

        Debug.WriteLine("--")
    Next
End If


success = Await ftp.DisconnectAsync()