>Why not? What make you think otherwise?

Just looking at the logic of the program.

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>I don't agree with adding a public property to the class. Why pollute the class with something that is used as a local variable? Public on top of that.
>
>I understand that you want to limit the number of object instanciated, but you increase the chance of a side-effect. When recycling an old object, you need to be sure to reset all the properties to their original values. You may write your code now to do that, but if you (or someone else) add a new property to the class and forget to reinitialize this new property in the code, you may get a undesired side-effect. Much simplier to let the garbage collector do his job.
>

The class (cSite) may have a public method to reset all properties to their default values. In this case we may re-use the same object.