(C# UWP/WinRT) Get FTP Directory Listing Information

C# 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.

Chilkat.Ftp2 ftp = new Chilkat.Ftp2();

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

// Connect and login to the FTP server.
bool success = await ftp.ConnectAsync();
if (success != true) {
    Debug.WriteLine(ftp.LastErrorText);
    return;
}

// 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
int i;
int n;
n = await ftp.GetDirCountAsync();
if (n < 0) {
    Debug.WriteLine(ftp.LastErrorText);
    return;
}

if (n > 0) {
    for (i = 0; i <= n - 1; i++) {

        // Display the filename
        Debug.WriteLine(await ftp.GetFilenameAsync(i));

        // Display the file size (in bytes)
        Debug.WriteLine(Convert.ToString(await ftp.GetSizeAsync(i)));

        // Is this a sub-directory?
        if (await ftp.GetIsDirectoryAsync(i) == true) {
            Debug.WriteLine(".. this is a sub-directory");
        }

        Debug.WriteLine("--");
    }

}

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

// Only files and directories
// matching the ListPattern are returned.
ftp.ListPattern = "*.asp";
n = await ftp.GetDirCountAsync();
if (n < 0) {
    Debug.WriteLine(ftp.LastErrorText);
    return;
}

if (n > 0) {
    for (i = 0; i <= n - 1; i++) {

        // Display the filename
        Debug.WriteLine(await ftp.GetFilenameAsync(i));

        // Display the file size (in bytes)
        Debug.WriteLine(Convert.ToString(await ftp.GetSizeAsync(i)));

        Debug.WriteLine("--");
    }

}

success = await ftp.DisconnectAsync();