二手WPN824 家用行吗?# Hardware - 计算机硬件
m*r
1 楼
I have one class. in order to make my application only have one instance of
this class,
I define a static count, when contructor is called the counter will ++.
my question is when counter >1, how class will destroy itself, when second
instance is trying to create.
Can I call destructor from constructor
except static variable, do we have other way to keep only one copy in my
application?
Thanks so much.
this class,
I define a static count, when contructor is called the counter will ++.
my question is when counter >1, how class will destroy itself, when second
instance is trying to create.
Can I call destructor from constructor
except static variable, do we have other way to keep only one copy in my
application?
Thanks so much.