Difference between revisions of "Uno/Cpp/Snippet/Dereference a WeakReference"
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Latest revision as of 10:00, 19 May 2021
class A { private: WeakReference< XInputStream > m_wrStream; void set( const Reference< XInputStream > &r ) { // store to weak reference m_wrStream = r; } Reference< XInputStream > get() { // try to make the weak reference hard Reference< XIntputStream > r = m_wrStream; // Note : r.is() may be true or not, depending on whether // the object has been destroyed before. return r; } };
