A few classes in C + + that need to be freed out of memory

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1. BSTR

BSTR bstrxml = NULL; After you run out of time, or in a catch segment if (bstrXML):: SysFreeString (Result);

1. VARIANT

VARIANT Varfilename; After you run out of time, or in a catch segment VariantClear (&varfilename);

1. A COM interface that supports release, such as:

IXMLDOMDocument *pxmldom=null; IXMLDOMDocument *pxsldoc=null; After you run out of time, or in a catch segment Safe_release (Pxsldoc); Safe_release (Pxmldom);

You also need to define the Safe_release macro above the file:

#define Safe_release (p) do { if (p)) {(P)->release (); (p) = NULL; }} while (0)

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A few classes in C + + that need to be freed out of memory