Re: Pass CComPrt to and from function

"Igor Tandetnik" <>
Tue, 12 Sep 2006 13:43:41 -0400
<uA0XoNp1GHA.4924@TK2MSFTNGP05.phx.gbl> wrote:

Thanks for your reply. If I add more details of my code as follows,
would it still be ok?

Still looks good.

1. Does = operator creates a true copy of the spRuntimeHost object or
adds reference to the same one that I passed in?

CComPtr's copy constructor and assignment operator simply AddRef the
underlying dumb pointer.

2. Is spRuntimeHost object destroyed after I leave the CreateCLRHost

spRuntimeHost object is indeed destroyed, but the underlying dumb
pointer isn't since clrHost.rntHost now holds a reference to it.

3. If CreateCLRHost function gets called multiple times and many
clrHost objects created, I need each object to have its own
spRuntimeHost instance created. Is it true with this scenario?

I don't quite understand this question. It appears that clrHost is a
global variable. If so, calling CreateCLRHost will result in memory
leak. This is because of "clrHost = new clrHost();" statement and has
nothing to do with your usage of CComPtr. Your program is set up to
handle only one instance of CLRHost class at a time.
With best wishes,
    Igor Tandetnik

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