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Tomasz,
Count me in on testing the Delphi .DLLs for you. I have a number of
.DLL functions that I wrote for Neuroshell Trader in Delphi that would
be very simple to port over to AmiBroker.
I also use C++, so if you need any beta-testing help let me know!
Daniel
-----Original Message-----
From: Tomasz Janeczko [mailto:amibroker@x...]
Sent: Saturday, September 22, 2001 3:36 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] DLL interface
Hello,
In this e-mail I want to present you some features of a DLL plugin
interface
being developed for version 3.8. I would like to know your thoughts
about
it before I close the specification.
The purpose of AmiBroker's plugin interface is to allow to extend AFL
built-in function set
by any user or third party software vendor.
Main goals are:
1. speed - there will be virtually no performance differences between
internal and external
functions
2. simplicity -
a) the interface is very simple, flat API-like (no COM for now).
b) writing plugins will be as easy as adding a new function(s) to a
sample C project
c) Installation of a plug-in will be as easy as just copying the DLL
into "Plugins" directory
3. tight integration with AFL engine -
a) external functions will be available directly from
AFL without the need to call any additional function like ExtFml.
b) all external functions will be highlighted properly in a new
syntax coloring editor
c) AFL engine will check types of parameters passed to the external
function
d) ability to call-back any built-in AFL function from within
external DLL (this includes
also calling functions from one external DLL to another)
e) ability to overwrite built-in functions
For technical reasons (mainly point 3.) plugin DLLs will have to be
written in some flavour
of C/C++ language. Visual C++ 6 is preferred, however free compilers
like PGPP (GNU) and
free Borland C/C++ 5 compliers will be supported also. It is yet to be
tested if it is possible
to write compatible DLLs using Delphi.
Visual Basic and other COM-only languages will not be supported at this
stage.
COM-based interface is planned later (next year).
Best regards,
Tomasz Janeczko
===============
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