Home » U++ Library support » U++ Callbacks and Timers » THISBACK1 works well, how can i make it with lambda
| Re: THISBACK1 works well, how can i make it with lambda [message #48322 is a reply to message #48319] |
Thu, 22 June 2017 11:36   |
Oblivion
Messages: 1265
Registered: August 2007
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Senior Contributor |
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Hello,
You are actually capturing nothing ("[]") while you really need to capture variables either by reference ("&") or by copy ("=").
(Note that in both cases (whether you use [&] or [=]) the "this" pointer will be automatically captured, so you'll have access to AnaForm class' members such as butonlar[] array.):
Also, you really don't need a (empty) parameter list here. It can be omitted.
butonlar[i]<<[&]{ btnDuzenle(&butonlar[i]); }; // this should work, since butonlar[] is a member of AnaForm class.
butonlar[i]<<[=]{ btnDuzenle(&butonlar[i]); }; // this should work too.
// And you can also get rid of the member function AnaForm::btnDuzenle()
butonlar[i]<<[=]{ butonlar[i].SetLabel("X"); }; // this is IMO a more elegant solution in such simple cases (given your example code).
Best regards,
Oblivion
Github page: https://github.com/ismail-yilmaz
Bobcat the terminal emulator: https://github.com/ismail-yilmaz/Bobcat
[Updated on: Thu, 22 June 2017 11:50] Report message to a moderator |
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