Building basic gtkd,opengl application

[BBasile via Digitalmars-d-learn]

On Monday, 21 September 2015 at 03:26:36 UTC, BBasile wrote:
> On Sunday, 20 September 2015 at 22:30:54 UTC, Michał wrote:
>> I am trying to make some application using gtkd and opengl.
>> I have made simple program but it didn't work and I have no 
>> idea why.
>>
>> I have never used gtk so maybe I'm doing something stupid : /
>>
>> The code:
>> http://pastebin.com/7NfbMqaK
>>
>> Error:
>> http://pastebin.com/vaFAP0bu
>>
>> Some ideas?
>> Any tips to gtkd/gtk/gl are welcome.
>
> at least one obvious error: line 37, `MyArea glarea = new 
> MyArea();`
>
> `Myarea` scope is limited to the __ctor. You should declare it 
> as a class private variable and then instantiate it in the 
> _ctor, otherwise. With the GC it's probably still alive til 
> next collection but this is nevertheless an error.

NVM this is totally wrong. You can create an instance without 
keeping trace of it in a variable. This even something common in 
laguages using ownership and if you don't need to manipulate the 
class instance after its construction... :/