ah, and which VM are you using?
> On 24 Jun 2016, at 14:40, Nicolai Hess <[email protected]> wrote:
>
>
>
> 2016-06-24 14:32 GMT+02:00 Esteban Lorenzano <[email protected]
> <mailto:[email protected]>>:
> … and I enhanced the example to not induce to confusion anymore :)
>
> Esteban
>
> Sorry, I must be stupid, it still does not work ( and it actually looks the
> same as with the existing WinHandle type).
>
>
>
>> On 24 Jun 2016, at 14:27, Nicolai Hess <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>>
>>
>> 2016-06-24 14:05 GMT+02:00 Esteban Lorenzano <[email protected]
>> <mailto:[email protected]>>:
>>
>>> On 24 Jun 2016, at 09:53, Nicolai Hess <[email protected]
>>> <mailto:[email protected]>> wrote:
>>>
>>>
>>>
>>> I’m sorry… I do not understand. This is solved in UFFI since some months,
>>> and Torsten’s OSWindow uses it.
>>>
>>> Sorry then it is my fault. I know that Torsten already ported OSWindow to
>>> UFFI, and that most things are already working.
>>>
>>> UFFI provides FFIConstantHandle type to deal with windows HANDLE types, as
>>> comment says:
>>>
>>> I represent a constant HANDLE, as described in *Windows
>>> MSDN>https://msdn.microsoft.com/en-us/library/windows/desktop/ms724457(v=vs.85).aspx*
>>>
>>> <https://msdn.microsoft.com/en-us/library/windows/desktop/ms724457(v=vs.85).aspx*>
>>>
>>> A ==HANDLE== is a special kind of external object who is accessed through
>>> numbers, therefore and ==ExternalAddress== is not appropriate to describe
>>> it (since they are constants and external addresses represents disposable
>>> spaces from memory).
>>>
>>> Is not clear this is necessary outside Windows, but according to
>>> documentation they are somekind analogous to unix's File Descriptors (but
>>> with some remarkable diferences, as documented
>>> *here>http://lackingrhoticity.blogspot.fr/2015/05/passing-fds-handles-between-processes.html*
>>>
>>> <http://lackingrhoticity.blogspot.fr/2015/05/passing-fds-handles-between-processes.html*>.
>>>
>>> Example:
>>> [[[
>>> HWND := #FFIConstantHandle.
>>> self ffiCall: #(HWND GetActiveWindow())
>>> ]]]
>>>
>>> is there anything I’m missing?
>>>
>>> I don't know what else should I do, I already posted the example.
>>> The code I provided just don't work (DNU on isExternalAddress, see other
>>> mail), and I have no idea how to make it work.
>>> Yes, maybe I don't know enough about ffi for this type of the function
>>> argument passing.
>>
>> the example is a simplification, you cannot put both definition and call in
>> same method… find attached a working example of what you want.
>>
>>
>> Thank you!
>>
>>
>>
>>
>>
>>>
>>> (actually I tried to port some NBOpenGL code to UFFI, for this I need to
>>> register a Window Class with WinWndClassEx (to create a gl context).
>>> So if this *is* already working, I need to look what I have done wrong).
>>>
>>> thanks for your response.
>>> nicolai
>>>
>>>
>>>
>>> Esteban
>
>
