IProvideClassInfo2Impl Class

 

The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.

The latest version of this topic can be found at IProvideClassInfo2Impl Class.

This class provides a default implementation of the IProvideClassInfo and IProvideClassInfo2 methods.

template <const CLSID* pcoclsid,
    const IID* psrcid,
    const GUID* plibid = &CAtlModule::m_libid,
    WORD wMajor = 1,
    WORD wMinor = 0, class tihclass = CComTypeInfoHolder>  
class ATL_NO_VTABLE IProvideClassInfo2Impl : public IProvideClassInfo2

Parameters

pcoclsid
A pointer to the coclass' identifier.

psrcid
A pointer to the identifier for the coclass' default outgoing dispinterface.

plibid
A pointer to the LIBID of the type library that contains information about the interface. By default, the server-level type library is passed.

wMajor
The major version of the type library. The default value is 1.

wMinor
The minor version of the type library. The default value is 0.

tihclass
The class used to manage the coclass' type information. The default value is CComTypeInfoHolder.

Constructors

NameDescription
IProvideClassInfo2Impl::IProvideClassInfo2ImplConstructor.

Public Methods

NameDescription
IProvideClassInfo2Impl::GetClassInfoRetrieves an ITypeInfo pointer to the coclass' type information.
IProvideClassInfo2Impl::GetGUIDRetrieves the GUID for the object's outgoing dispinterface.

Protected Data Members

NameDescription
IProvideClassInfo2Impl::_tihManages the type information for the coclass.

The IProvideClassInfo2 interface extends IProvideClassInfo by adding the GetGUID method. This method allows a client to retrieve an object's outgoing interface IID for its default event set. Class IProvideClassInfo2Impl provides a default implementation of the IProvideClassInfo and IProvideClassInfo2 methods.

IProvideClassInfo2Impl contains a static member of type CComTypeInfoHolder that manages the type information for the coclass.

IProvideClassInfo2

IProvideClassInfo2Impl

Header: atlcom.h

Retrieves an ITypeInfo pointer to the coclass' type information.

STDMETHOD(GetClassInfo)(ITypeInfo** pptinfo);

Remarks

See IProvideClassInfo::GetClassInfo in the Windows SDK.

Retrieves the GUID for the object's outgoing dispinterface.

STDMETHOD(GetGUID)(
    DWORD dwGuidKind,
    GUID* pGUID);

Remarks

See IProvideClassInfo2::GetGUID in the Windows SDK.

The constructor.

IProvideClassInfo2Impl();

Remarks

Calls AddRef on the _tih member. The destructor calls Release.

This static data member is an instance of the class template parameter, tihclass, which by default is CComTypeInfoHolder.

static  tihclass
    _tih;

Remarks

_tih manages the type information for the coclass.

Class Overview

Show: