Re: Stopping onClose Event in Win32Lib
At 02:30 PM 20-02-1999 , you wrote:
>Daniel Berstein wrote:
>
>
>>I got two new books about Win API David. During March I'll resume VE
>>development and may help you with win32lib. With the unlimited callback
>>addresses 2.1 provides I may migrate some of the Delphi code to native
>>Euphoria. What do you think of creating an Euphoria parallel to the
>>Delphi's (and C++ Builder) VCL?
>
>
>Here I'm at a disadvantage - I haven't actually played with the Delphi/C++
>interface. With only about 10Meg left of my hard drive, I wouldn't be able
>to install it anyway... 
>
>Can you point me to where the interface is described/there are screen shots?
VCL is the Visual Component Library. It a collection of native code
components that encapsulate (each) a visual interface element ( = control
or gadget). It's much simpler to just include a "button" component in your
application than to explicitly creating/registering the window class and
then create it and make a wndproc. A clear interface is required, in
escence you neee OO to achieve this, but with some tricky use of routine
id's we should be able to by-pass this obstacle.
In general we'll need a generic library that act as a "middle-ware" between
the app and the underlaying components implementation. Win32lib is on the
way, but it's difficult to customize it. The component model enables third
parties to develop their own extension based on a common and well known
interface. A nice component for Euphoria would be a grid ;)
Regards,
Daniel Berstein
daber at pair.com
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