Article View: borland.public.cppbuilder.oodesign
Article #2Counting the number of instances of a user defined class
From: Pang Fu
Date: Tue, 08 Jul 2003 05:42
Date: Tue, 08 Jul 2003 05:42
26 lines
1669 bytes
1669 bytes
How to count how many instances are created of a user defined class?
In the following example how TMyClass can count the number of instances
(objects created from TMyClass) ?
class TMyClass
{
private :
static int InstanceCount;
public :
TMyClass(){
InstanceCount ++; <--?? How to start from zero and increment?
}
~TMyClass();
};
...
const int N= 456;
for (int i=0; i<N; i++){
TMyClass *MyObj = new TMyClass();
}
AnsiString S;
S.sprintf("Instance Count :%d", ????How????);
Pang Fu
nospam_pangfu@hotmail.com
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