System::Collections::Generic::BaseDictionary::ContainsKey 方法

BaseDictionary::ContainsKey method

检查字典中是否存在键。

bool System::Collections::Generic::BaseDictionary<Map>::ContainsKey(const key_t &key) const override

参数	类型	描述
键	const key_t&	要查找的键。

ReturnValue

如果键存在则为 true，否则为 false。

另见

System::Collections::Generic::BaseDictionary::Clear 方法 System::Collections::Generic::BaseDictionary::ContainsValue 方法