System::Collections::Generic::IDictionary::GetValueOrNull 方法

IDictionary::GetValueOrNull method

如果找到则返回值；否则返回 null，仅对引用类型有意义。

virtual TValue System::Collections::Generic::IDictionary<TKey, TValue>::GetValueOrNull(const TKey &key) const

另见

System::Collections::Generic::IDictionary::GetValueOrDefault 方法 System::Collections::Generic::IDictionary::idx_get 方法