_di_IUnknown - C++ Builder

C++ Builder 参考手册 ➙ _di_IUnknown

System::_di_IUnknown 是 IUnknown 智能接口指针类型。

头文件：#include <sysmac.h>
命名空间：System
类型定义：

typedef System::DelphiInterface<IUnknown> _di_IUnknown;

参考：

• System::DelphiInterface
• System::_di_IInterface
• System::_di_IDispatch
• System::IInterface
• System::Classes::TComponent
• System::Classes::TInterfacedPersistent
• System::Classes::TPersistent
• System::Syncobjs::TSynchroObject
• System::TCppInterfacedObject
• System::TInterfacedObject
• System::TObject
• VCL 类继承关系

C++ Builder 参考手册 ➙ _di_IUnknown