Re: Passing SAFEARRAY of SHORTs in event causes EEMessageException

"Igor Tandetnik" <>
Fri, 14 Dec 2007 07:53:18 -0500
"Egbert Nierop" <egbert_nierop@nospam.invalid> wrote in message

"Bjoern" <> wrote in message

template<class T>
class CProxyIMyAudioEvents :
public IConnectionPointImpl<T, &__uuidof(IMyAudioEvents)>
HRESULT Fire_OnUserAudioData( LONG nUserID, LONG nSampleRate,
SAFEARRAY* pRawAudio, LONG nSamples)
T * pThis = static_cast<T *>(this);
int cConnections = m_vec.GetSize();
for (int iConnection = 0; iConnection < cConnections; iConnection++)
CComPtr<IUnknown> punkConnection = m_vec.GetAt(iConnection);
IDispatch * pConnection = static_cast<IDispatch

Never cast dispatch pointers.
If you do so, the reference count might become wrong.

IDispatch * pConnection = static_cast<IDispatch

This code is wizard-generated. The code is correct: the pointer is known
to actually be IDispatch*, it was cast to IUnknown* for storage and it's
safe to cast it back here.
With best wishes,
    Igor Tandetnik

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