How to download

using ComponentPro.Net;
using ComponentPro.IO;

...

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

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

// Authenticate.
client.Authenticate("userName", "password");

// ...

// Get all directories, subdirectories, and files from remote folder '/myfolder' to 'c:\myfolder'.
client.DownloadFiles("/myfolder", "c:\\myfolder");

// Get all directories, subdirectories, and files that match the specified search pattern from remote folder '/myfolder2' to 'c:\myfolder2'.
client.DownloadFiles("/myfolder2", "c:\\myfolder2", "*.cs");

// or you can simply put wildcard masks in the source path, our component will automatically parse it.
// download all *.css files from remote folder '/myfolder2' to local folder 'c:\myfolder2'.
client.DownloadFiles("/myfolder2/*.css", "c:\\myfolder2");

// Download *.cs and *.vb files from remote folder '/myfolder2' to local folder 'c:\myfolder2'.
client.DownloadFiles("/myfolder2/*.cs;*.vb", "c:\\myfolder2");

// Get files in the folder '/myfolder2' only.
TransferOptions opt = new TransferOptions(true, RecursionMode.None, false, (SearchCondition)null, FileExistsResolveAction.Overwrite, SymlinksResolveAction.Skip);
client.DownloadFiles("/myfolder2", "c:\\myfolder2", opt);

// ...

// Disconnect.
client.Disconnect();