Async and Rebex Ftp For .net/.net Cf Software for Windows

BetterStreams
$59 - Jeff Pasternack

.Net library consisting of three classes for simplified asynchronous I/O (AsyncStream), using alternate data streams (AlternateStreams), and efficient stream peeking and seeking (BetterBufferedStream). BetterStreams can easily improve the performance of new or existing applications, sometimes dramatically, with as little as a single-line change to the code.

AsyncStream wraps an existing stream and provides asynchronous I/O via the standard Read(), ReadByte(), Write(), and WriteByte() methods; if called on the wrapped stream directly these would require waiting for I/O to the underlying device (such as a disk) but the AsyncStream asynchronously and automatically fills or flushes its internal buffer from or to the wrapped stream using a background thread and will never block so long as sufficient bytes are available in the buffer. Even if your application logic is already built around synchronous I/O, making it asynchronous typically requires nothing more than wrapping the original stream in an AsyncStream. AsyncStreams also provide elegant exception handling, properties for fine-tuning performance and behavior when desired, and, like BetterBufferedStreams, efficient seeking.

AlternateStreams enables you to read, write, delete, create and list alternate data streams (ADS) in an NTFS file. Under NTFS, each file has a "main" unnamed stream (this is the one the Framework's file I/O classes manipulate) as well as zero or more "alternate" named streams; for example, Internet Explorer uses an alternate stream named "Zone.Identifier" to record which security zone a downloaded file came from. Aside from conveniently storing metadata, they can also be used to create "compound storage" for application data; instead of, for example, sequentially serializing ten objects to the "main" fie stream (requiring the entire file to be rewritten if any but the last object changes) each object can be serialized to its own, individually modifiable alternate stream.

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BKPing
$14 - Bill Koukoutsis

The BKPing v3.0 .NET class collection contains Ping (ICMP Echo) and associated utility classes
for pinging one or more remote hosts either synchronously or asynchronously.

The current version includes:

1. Both synchronous (blocking) and asynchronous (non-blocking) methods for pinging remote
hosts.
2. Fully commented class libraries developed in 100% CLS compliant C# code.
3. Thorough documentation in .CHM (Compiled HTML Help File) format for the BKPing and
BKSystem class libraries.
4. Windows Forms and Console examples detailing both synchronous and asynchronous methods of Pinging a remote host, written in both C# and VB.NET using Microsoft Visual Studio
.NET 2003.
5. Per Developer and Source Code Licensing are available. In both cases, there are no
runtime royalties or other fees!
6. Updates for the current version are free.

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BKTraceRoute
$14 - Bill Koukoutsis

The BKTraceRoute v3.0 .NET class collection contains TraceRoute and associated utility
classes for tracing the route to one or more remote hosts either synchronously or
asynchronously.

The current version includes:

1. Both synchronous (blocking) and asynchronous (non-blocking) methods for tracing routes
to remote hosts.
2. Fully commented class libraries developed in 100% CLS compliant C# code.
3. Thorough documentation in .CHM (Compiled HTML Help File) format for the BKTraceRoute
and BKSystem class libraries.
4. Windows Forms and Console examples detailing both synchronous and asynchronous methods of tracing the route to remote hosts, written in both C# and VB.NET using Microsoft
Visual Studio .NET 2003.
5. Per Developer and Source Code Licensing are available. In both cases, there are no
runtime royalties or other fees!
6. Updates for the current version are free.

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conaito FTP SDK for .NET ASP.NET COM
$149 - conaito Technologies

The conaito FTP SDK for .NET allows you to easily transfer files using directly access the data connection for unprecedented levels of control. The conaito FTP SDK for .NET was written entirely in managed code. The FTP component implements a standard FTP client as specifiedin RFC 959. Key features of the conaito FTP SDK for .NET: .NET FTP Component for C#, VB.NET, and ASP.NET. FTP files directly from your application in synchronous or asynchronous mode. All popular FTP servers are supported. Supports international filenames in all major languages Supports .NET 1.0, .NET 1.1, .NET 2.0 and works with 64bit version of .NET Framework 2.0. Upload and download to or from in-memory strings or byte arrays. Session logging, Real-time upload/download data transfer rate properties Real-time #bytes, received/sent properties for async transfers, Copy remote files to your local filesystem, Copy files from your local filesystem to the FTP server, Download text and binary files and access directly in memory, Upload to FTP site directly from memory, Create remote directory, Rename remote files and directories, Delete remote files and directories, Support for asynchronous uploads and downloads, Active and passive transfer modes, Binary and ASCII transfers, Stream support - streaming download to local files, streaming upload from local files, Large file support - upload or download files larger than 4 GB. The conaito FTP SDK for .NET runs on Windows and also includes a .NET interface that can be used in any .NET programming language like C# or VB.NET. You can use it with your web applications developed in ASP.NET as well. Conaito FTP SDK for .NET also includes a COM interface that can be used from any programming language that supports COM automation, like C++, Visual Basic, Delphi, ASP, PHP, JavaScript, VBScript, etc.

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FTP Component
$0 - ComponentSpot

Microsoft?s .NET Framework class library contains no classes that will allow developers to access File Transfer Protocol (FTP) services directly. KCommon?s FTP component was designed to compensate for the fact that .NET lacks FTP support. With this FTP component, programmers can build either Windows Forms or ASP.NET (Web Forms) applications that will allow users to send or receive a single file or multiple files, using the FTP protocol. Operations for synchronous and asynchronous (using a callback or an event) transfers are supported. KCommon supports passive mode, but does not support active mode, which could cause problems with poorly written firewalls. Recall that in passive mode, the data flow is set up and initiated by the FTP client, rather than the server. This means improved security for the client computer, because it won?t have to deal with data flow being set up by the server. The component is written in C#. It is not marked as CLS compliant. It does not support proxy servers. The online description erroneously refers to an FtpSession type (it should be Session).

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Rebex FTP for .NET/.NET CF
$249 - Rebex

Add FTP client functionality to your application. FTP for .NET component supports all the popular FTP servers and proxy servers, includes extensible directory parsing, both synchronous and asynchronous operations, active and passive mode. Samples in VB.NET and C#.

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