System::Windows::Forms::Control::ControlCollection::ContainsKey 方法

ControlCollection::ContainsKey method

检查集合中是否存在具有特定名称的控件。

virtual bool System::Windows::Forms::Control::ControlCollection::ContainsKey(System::String key) const

另见

System::Windows::Forms::Control::ControlCollection::Contains 方法 System::Windows::Forms::Control::ControlCollection::CopyTo 方法