ListDirectoryCompleted Event

Shows how to use ListDirectoryAsync methods to retrieve list of files and subdirectories in a directory (Task-based approach).

using System;
using ComponentPro.IO;
using ComponentPro.Net;
using ComponentPro;

...

static async void Main()
{
    // Create a new class instance. 
    Ftp client = new Ftp();

    // Connect to the FTP server. 
    client.Connect("myserver");

    // Authenticate. 
    client.Authenticate("test", "test");

    // ... 
 
    // Get information of all files and directories in '/' remote dir. 
    FileInfoCollection list = await client.ListDirectoryAsync("/");            
    DisplayList(list);

    // ... 
 
    // Some FTP servers do not support ListDirectory with parameter, we need to change directory before listing. 
    client.SetCurrentDirectory("/my folder");
    // Retrieve file list of the current directory - '/my folder' 
    list = await client.ListDirectoryAsync();
    DisplayList(list);

    // ... 
 
    // List all files that have .exe extension in "/" folder. 
    list = await client.ListDirectoryAsync("/", new NameSearchCondition("*.exe"));
    DisplayList(list);

    // ... 
 
    // Change the current directory before calling ListDirectory. 
    // Get names of files with .cs or .vb extensions and directories in '/my folder2' remote dir. 
    client.SetCurrentDirectory("/my folder2");
    list = await client.ListDirectoryAsync(new NameSearchCondition("*.cs;*.vb"));
    DisplayList(list);

    // ... 
 
    // Disconnect. 
    client.Disconnect();
}

static void DisplayList(FileInfoCollection list)
{
    foreach (FtpFileInfo info in list)
    {
        Console.WriteLine("Name: {0}, Permissions: {1}", info.Name, info.Permissions);
    }
}

Imports ComponentPro.IO
Imports ComponentPro.Net
Imports ComponentPro

...

Shared Async Sub Main()
    ' Create a new class instance. 
    Dim client As New Ftp()

    ' Connect to the FTP server. 
    client.Connect("myserver")

    ' Authenticate. 
    client.Authenticate("test", "test")

    ' ... 
 
    ' Get information of all files and directories in '/' remote dir. 
    Dim list As FileInfoCollection = Await client.ListDirectoryAsync("/")
    DisplayList(list)

    ' ... 
 
    ' Some FTP servers do not support ListDirectory with parameter, we need to change directory before listing. 
    client.SetCurrentDirectory("/my folder")
    ' Retrieve file list of the current directory - '/my folder' 
    list = Await client.ListDirectoryAsync()
    DisplayList(list)

    ' ... 
 
    ' List all files that have .exe extension in "/" folder. 
    list = Await client.ListDirectoryAsync("/", New NameSearchCondition("*.exe"))
    DisplayList(list)

    ' ... 
 
    ' Change the current directory before calling ListDirectory. 
    ' Get names of files with .cs or .vb extensions and directories in '/my folder2' remote dir. 
    client.SetCurrentDirectory("/my folder2")
    list = Await client.ListDirectoryAsync(New NameSearchCondition("*.cs;*.vb"))
    DisplayList(list)

    ' ... 
 
    ' Disconnect. 
    client.Disconnect()
End Sub 
 
Private Shared Sub DisplayList(ByVal list As FileInfoCollection)
    For Each info As FtpFileInfo In list
        Console.WriteLine("Name: {0}, Permissions: {1}", info.Name, info.Permissions)
    Next info
End Sub

Shows how to use ListDirectoryAsync methods to retrieve list of files and subdirectories in a directory (Event-based approach).

using System;
using ComponentPro.IO;
using ComponentPro.Net;
using ComponentPro;

...

static void Main()
{
    // Create a new class instance. 
    Ftp client = new Ftp();

    // Connect to the FTP server. 
    client.Connect("myserver");

    // Authenticate. 
    client.Authenticate("test", "test");

    // ... 
 
    // Register an event handler. 
    client.ListDirectoryCompleted += client_ListDirectoryCompleted;

    // Get information of all files and directories in '/' remote dir. 
    client.ListDirectoryAsync("/");

    // ... 
 
    // Some FTP servers do not support ListDirectory with parameter, we need to change directory before listing. 
    client.SetCurrentDirectory("/my folder");
    // Retrieve file list of the current directory - '/my folder' 
    client.ListDirectoryAsync();

    // ... 
 
    // List all files that have .exe extension in "/" folder. 
    client.ListDirectoryAsync("/", new NameSearchCondition("*.exe"));

    // ... 
 
    // Change the current directory before calling ListDirectory. 
    // Get names of files with .cs or .vb extensions and directories in '/my folder2' remote dir. 
    client.SetCurrentDirectory("/my folder2");
    client.ListDirectoryAsync(new NameSearchCondition("*.cs;*.vb"));

    // ... 
 
    // Disconnect. 
    client.Disconnect();
}

static void client_ListDirectoryCompleted(object sender, ExtendedAsyncCompletedEventArgs<FileInfoCollection> e)
{
    // Ftp client = (Ftp)sender; 
    if (e.Error != null)
        Console.WriteLine("Error: " + e.Error.Message);
    else 
    {
        // Get information of all files and directories in '/' remote dir. 
        foreach (FtpFileInfo info in e.Result)
        {
            Console.WriteLine("Name: {0}, Permissions: {1}", info.Name, info.Permissions);
        }
    }
}

Imports ComponentPro.IO
Imports ComponentPro.Net
Imports ComponentPro

...

Shared Sub Main()
    ' Create a new class instance. 
    Dim client As New Ftp()

    ' Connect to the FTP server. 
    client.Connect("myserver")

    ' Authenticate. 
    client.Authenticate("test", "test")

    ' ... 
 
    ' Register an event handler. 
    AddHandler client.ListDirectoryCompleted, AddressOf client_ListDirectoryCompleted

    ' Get information of all files and directories in '/' remote dir. 
    client.ListDirectoryAsync("/")

    ' ... 
 
    ' Some FTP servers do not support ListDirectory with parameter, we need to change directory before listing. 
    client.SetCurrentDirectory("/my folder")
    ' Retrieve file list of the current directory - '/my folder' 
    client.ListDirectoryAsync()

    ' ... 
 
    ' List all files that have .exe extension in "/" folder. 
    client.ListDirectoryAsync("/", New NameSearchCondition("*.exe"))

    ' ... 
 
    ' Change the current directory before calling ListDirectory. 
    ' Get names of files with .cs or .vb extensions and directories in '/my folder2' remote dir. 
    client.SetCurrentDirectory("/my folder2")
    client.ListDirectoryAsync(New NameSearchCondition("*.cs;*.vb"))

    ' ... 
 
    ' Disconnect. 
    client.Disconnect()
End Sub 
 
Private Shared Sub client_ListDirectoryCompleted(ByVal sender As Object, ByVal e As ExtendedAsyncCompletedEventArgs(Of FileInfoCollection))
    ' Ftp client = (Ftp)sender; 
    If e.Error IsNot Nothing Then 
        Console.WriteLine("Error: " & e.Error.Message)
    Else 
        ' Get information of all files and directories in '/' remote dir. 
        For Each info As FtpFileInfo In e.Result
            Console.WriteLine("Name: {0}, Permissions: {1}", info.Name, info.Permissions)
        Next info
    End If 
End Sub

Shows how to use ListDirectoryAsync methods to retrieve list of files and subdirectories in a directory (Task-based approach).

using System;
using ComponentPro.IO;
using ComponentPro.Net;

...

// Create a new class instance.
Sftp client = new Sftp();

// Connect to the SFTP server.
client.Connect("myserver");

// Authenticate.
client.Authenticate("test", "test");

// ... 
 
// Get information of all files and directories in '/' remote dir.
FileInfoCollection list = await client.ListDirectoryAsync("/");

// ... 
 
// Get information of all files and directories in '/' remote dir. 
foreach (SftpFileInfo info in list)
{
    Console.WriteLine("Name: {0}, UserId: {1}, Permissions: {2}, Size: {3}", info.Name, info.OwnerId, info.Permissions, info.Length);
}

// Disconnect.
client.Disconnect();

Imports ComponentPro.IO
Imports ComponentPro.Net

...

' Create a new class instance. 
Dim client As New Sftp()

' Connect to the SFTP server.
client.Connect("myserver")

' Authenticate.
client.Authenticate("test", "test")

' ... 
 
' Get information of all files and directories in '/' remote dir. 
Dim list As FileInfoCollection = Await client.ListDirectoryAsync("/")

' ... 
 
' Get information of all files and directories in '/' remote dir. 
For Each info As SftpFileInfo In list
    Console.WriteLine("Name: {0}, UserId: {1}, Permissions: {2}, Size: {3}", info.Name, info.OwnerId, info.Permissions, info.Length)
Next info

' Disconnect.
client.Disconnect()

Shows how to use ListDirectoryAsync methods to retrieve list of files and subdirectories in a directory.

using System;
using ComponentPro;
using ComponentPro.IO;
using ComponentPro.Net;

...

public void DoAsyncListDirectory()
{
    // Create a new class instance. 
    Sftp client = new Sftp();

    // Connect to the SFTP server. 
    client.Connect("myserver");

    // Authenticate. 
    client.Authenticate("test", "test");

    // ... 
 
    // Register an event handler. 
    client.ListDirectoryCompleted += client_ListDirectoryCompleted;

    // Get information of all files and directories in '/' remote dir. 
    client.ListDirectoryAsync("/");

    // ... 
 
    // Disconnect. 
    client.Disconnect();
}

void client_ListDirectoryCompleted(object sender, ExtendedAsyncCompletedEventArgs<FileInfoCollection> e)
{
    Sftp client = (Sftp)sender;

    try 
    {
        // Get information of all files and directories in '/' remote dir. 
        foreach (SftpFileInfo info in e.Result)
        {
            Console.WriteLine("Name: {0}, UserId: {1}, Permissions: {2}, Size: {3}", info.Name, info.OwnerId, info.Permissions, info.Length);
        }
    }
    catch (Exception exc)
    {
        Console.WriteLine("Error: " + exc.ToString());
    }
}

Imports ComponentPro
Imports ComponentPro.IO
Imports ComponentPro.Net

...

Public Sub DoAsyncListDirectory()
    ' Create a new class instance. 
    Dim client As New Sftp()

    ' Connect to the SFTP server. 
    client.Connect("myserver")

    ' Authenticate. 
    client.Authenticate("test", "test")

    ' ... 
 
    ' Register an event handler. 
    AddHandler client.ListDirectoryCompleted, AddressOf client_ListDirectoryCompleted

    ' Get information of all files and directories in '/' remote dir. 
    client.ListDirectoryAsync("/")

    ' ... 
 
    ' Disconnect. 
    client.Disconnect()
End Sub 
 
Private Sub client_ListDirectoryCompleted(ByVal sender As Object, ByVal e As ExtendedAsyncCompletedEventArgs(Of FileInfoCollection))
    Dim client As Sftp = CType(sender, Sftp)

    Try 
        ' Get information of all files and directories in '/' remote dir. 
        For Each info As SftpFileInfo In e.Result
            Console.WriteLine("Name: {0}, UserId: {1}, Permissions: {2}, Size: {3}", info.Name, info.OwnerId, info.Permissions, info.Length)
        Next info
    Catch exc As Exception
        Console.WriteLine("Error: " & exc.ToString())
    End Try 
End Sub