/*----------------------------------------------------------------------------------------------
Create a LgTsEnumFORMATETC object.
@param ppenum Address of a pointer for returning the newly created LgTsEnumFORMATETC COM
object.
----------------------------------------------------------------------------------------------*/
void LgTsEnumFORMATETC::Create(IEnumFORMATETC ** ppenum)
{
AssertPtr(ppenum);
ComSmartPtr<LgTsEnumFORMATETC> qtsenum;
qtsenum.Attach(NewObj LgTsEnumFORMATETC);
*ppenum = qtsenum.Detach();
}
/*----------------------------------------------------------------------------------------------
Static method to create a new FileStream object, opening the specified file in the
specified mode.
@param pszFile Name (or path) of the desired file (LPCOLESTR)
@param grfstgm Combination of flags kfstgmXxxx from enum in FileStrm.h
@return The associated IStream interface pointer if successful (third parameter).
----------------------------------------------------------------------------------------------*/
void FileStream::Create(LPCOLESTR pszFile, int grfstgm, IStream ** ppstrm)
{
AssertPsz(pszFile);
AssertPtr(ppstrm);
Assert(!*ppstrm);
ComSmartPtr<FileStream> qfist;
qfist.Attach(NewObj FileStream);
qfist->Init(pszFile, grfstgm);
*ppstrm = qfist.Detach();
}
/*----------------------------------------------------------------------------------------------
Static method to create a new ResourceStream object, to open the specified resource for
reading, and to return the associated IStream interface pointer if successful.
@param hmod Handle of the module containing the resource
@param pszType Pointer to resource type
@param rid Integer identifier of the resource
----------------------------------------------------------------------------------------------*/
void ResourceStream::Create(HMODULE hmod, const achar * pszType,
int rid, IStream ** ppstrm)
{
AssertPtr(ppstrm);
Assert(!*ppstrm);
ComSmartPtr<ResourceStream> qrest;
qrest.Attach(NewObj ResourceStream);
qrest->Init(hmod, pszType, rid);
*ppstrm = qrest.Detach();
}
/*----------------------------------------------------------------------------------------------
Create a new stream object that references the same bytes as the original stream but
provides a separate seek pointer to those bytes.
----------------------------------------------------------------------------------------------*/
STDMETHODIMP ResourceStream::Clone(IStream ** ppstm)
{
BEGIN_COM_METHOD;
// Validate the pointer
ChkComOutPtr(ppstm);
// Create a new object
ComSmartPtr<ResourceStream> qrest;
qrest.Attach(NewObj ResourceStream);
// Initialize the new object
qrest->m_cbData = m_cbData;
qrest->m_prgbData = m_prgbData;
qrest->m_pbCur = m_pbCur;
*ppstm = qrest.Detach();
END_COM_METHOD(g_fact, IID_IStream);
}