Explore Active Local Pages
Several articles which describe the ALP basics. They cover some
of the most interesting areas and can be read as a short ALP tour by
developers who meet with ALP for the first time. See the How-To
ALP includes installer which can be used to install your
application bundled with ALP engine. It is designed for unattended
installations which require only confirmation from the user.
ALP ships with
special ALP browser which extends the DHTML object model and most importantly
allows ALP to run from removable media - e.g. from autorun
CD or a Flash drive or memory card without installation on the PC (there are some limitations
about how and which components can be used).
Wide range of samples is included in the ALP download
for developers. Additional examples are published on this
page as they become available. The examples on that page are most
often a result of questions asked by developers.
The ALP download for developers includes NDL (newObjects
Development Library) which is a combined documentation for all our
products and components. However the library is updated more often than
any of the products referred in it. You can download the latest
NDL from our site.
The ALP Run-time library.
It is a set of components that can be used through the ASP compatible
programming interface supported by ALP. The library is also available
separately as newObjects
ActiveX Pack1 family. It can be installed on any Windows machine to
bring there the ALP Run-time library features even for non-ALP
applications. This makes any effort made to learn and implement code in
your ALP application with its run-time library portable to other
environments and scenarios - such as IIS, VB and so on. In it you can find
components such as:
SQLite COM - Zero
configuration, lightweight SQL Database engine. See the component's
brings the TCP/IP and IRDA networking in form compatible with the file
Storages and files
components - Several components that form together a strong hierarchy
which allows you access the file system, memory blocks, OLE storages,
network connections through a single programming API.
Background thread management
- you can run scripts in background threads asynchronously.
Example deployment packages.
Several dummy ALP applications packed with the ALP Installer or configured
for autorun with ALPFrame browser. The examples cover the most popular
distribution scenarios and allow the developer see what and how must be
packed together. Use them as a start point for your custom deployment
solutions. Go to deployment examples page.
Wonder what's the difference between ALP and
PWS? While Microsoft's Personal Web Server (PWS) is a WEB server ALP is
not. You cannot pack PWS as part of your application or run it from a CD
or a flash card without installation. On contrary ALP's programming
interface is similar to PWS, but it can be packed with your application,
run on-the-fly from a removable media, all the configuration your
application needs can be packed with it so that the end-user would not
need to do anything but run the application. Read more
FAQ. The WEB developers who examine ALP often wonder if they
can continue use certain client-side plug-in and controls (Java,
Macromedia etc.). Although these browser enhancements are built for HTTP
usage they can be used in ALP with some limitations. This FAQ
page contains the most often asked questions and answers about them.
ALP General errors reference. The
list of the general ALP engine error messages. These messages are issued
by the ALP engine and are not specific to a particular programming
interface. When such a message is shown to the user it is an indication of
a configuration mistake, violation of a protection rule, wrong link and so
on. Tracing bugs identified in your application by an end-user will most
often begin with a report for one of these messages. The error
messages list will give you information about the possible causes of
ALP is a programming platform not a product directing the end-users in
a single step. Applications written for ALP need to redistribute the ALP engine
or alternatively they need to tell the user to download ALP separately. With the ALP licensing
policies we give the developers freedom to buy once and use the ALP for
unlimited number of projects without hidden costs.
WEB-like desktop application environment
Active Server Pages compatible programming
interface. Supports VBScript and JScript, can be configured to use any other Active Script compliant
language (such as Active Perl).
All the core ASP objects: Request, Response,
Server, Application, Session and powerful Run-Time library
Include directives - file and virtual
Virtual sites structure and settings, ALP
Application settings (similar to ASP Applications in classic ASP). Structure is defined with files in the physical
directory tree. (ALP
URL , Server.MapPath )
global.asa - Application initialization
script with events and scoped objects
CGI support (Common Gateway Interface)
Directory view plug-in - lists directory as WEB page (as like IIS).
With templates support.
Simple HTML templates - HTML page with special tags is filled
automatically from the request. (read
With ALPFrame - extended DHTML model - window menus and
shortcut menus are controlled by the pages currently opened. (read
Install utility - components and
sets of other files can be configured in the setup configuration and
deployed easily. (read more )
can be done with ALP:
- Write desktop application in ASP (VBScript, JScript
and so on). Use existing WEB server programming skills, code and developers
to build client side software.
- Port certain ASP applications for the desktop or even autorun
- Run CGI programs as well.
- Embed IE browser in VB/C++/Delphi applications and use
ALP to generate content for the hosted browser.
- Develop business applications
with minimal efforts and run them on both Server and stand alone
machines as appropriate.
- Create/Port active WEB sites for offline usage with all the dynamic
- Create applications with extremely minimized dependencies.
- Create flexible integrated or teared-off applications for your IT
- Helper mechanisms for application
- Configurable browsing restrictions in
- All the core modules are now in the core
- The Run-time library now includes:
- independent zero-configuration SQL
- TCP/IP and IRDA components
- Powerful String formatting tools
- More convenient thread objects
- Synchronization objects
- Improved ALPFrame behavior - copy/paste
default support, Windows XP SP2 security features detection and
registration with the system.
- Content zone - The ALP local content can be
declared as part of an online site and full compatibility with the XP SP2 security
- Improved support for composite objects
written especially for ASP usage.
- Uploads (Request.BinaryRead)
- SCRIPT and OBJECT RUNAT=SERVER
- Mixed script languages in ASP pages
- Global.asa support
- IIS<->ALP compatibility tuning. Less
efforts to port from IIS to ALP and vice versa.
- COM aliases
- Application configuration shell
- ASP Objects support
- Bundled with newObjects ActiveX pack1
components and NetProbe (beta).
- Storages and Files
(Text/Binary/Record based access to files and streams)
- Unified data structures through
ConfigFile (work with text data files, binary data streams and
registry with the same code)
- Advanced COM tricks - Threads,
Custom apartments, COM object creation from non-registered DLLs
- Composite objects (build
dynamically or register definitions of COM objects composed from
scripts and objects)
- More system functions - DLL/EXE
version info, Shell shortcuts etc.
- And much more ...
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