i don't know about the Control Variable
C / C++ / MFC
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sometime i must add the Variable in dialog,but sometime i don't need why? which control need add variable and which not? please tell me, thanks! Joise is a C++ fun!
It depends on the control. None of the controls "need" a member variable attached, however it does make life much easier when it comes to accessing the controls from your code. - Nitron
"Those that say a task is impossible shouldn't interrupt the ones who are doing it." - Chinese Proverb