Uno/Cpp/Snippet/Managing an Object
From Apache OpenOffice Wiki
#include <uno/environment.hxx>
...
{
uno::Environment env(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("c++:unsafe")));
void * pObject = ...
// Acquire pObject.
env.get()->pExtEnv->acquireInterface(env.get()->pExtEnv, pObject);
// Release pObject.
env.get()->pExtEnv->releaseInterface(env.get()->pExtEnv, pObject);
...
}