66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
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// Copyright (c) 1999-2002 Microsoft Corporation. All Rights Reserved.
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#pragma once
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#ifndef _MSVIDDEVICEEVENT_H_
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#define _MSVIDDEVICEEVENT_H_
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template <class T, const IID* piid = &IID_IMSVidDeviceEvent, class CDV = CComDynamicUnkArray>
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class CProxy_DeviceEvent : public IConnectionPointImpl<T, piid, CDV>
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{
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public:
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void Fire_VoidMethod(DISPID eventid) {
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T* pT = static_cast<T*>(this);
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int nConnectionIndex;
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int nConnections = m_vec.GetSize();
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for (nConnectionIndex = 0; nConnectionIndex < nConnections; nConnectionIndex++)
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{
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pT->Lock();
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CComPtr<IUnknown> sp = m_vec.GetAt(nConnectionIndex);
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pT->Unlock();
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IDispatch* pDispatch = reinterpret_cast<IDispatch*>(sp.p);
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if (pDispatch != NULL)
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{
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HRESULT hr;
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DISPPARAMS disp = { NULL, NULL, 0, 0 };
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hr = pDispatch->Invoke(eventid, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, &disp, NULL, NULL, NULL);
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if(FAILED(hr)){
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TRACELSM(TRACE_ERROR, (dbgDump << "CProxy_DeviceEvent::Fire_VoidMethod() Eventid " << eventid << "Invoke " << nConnectionIndex << " failed hr = " << hexdump(hr)), "");
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}
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}
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}
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}
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void Fire_StateChange(IMSVidDevice *lpd, long oldState, long newState)
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{
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T* pT = static_cast<T*>(this);
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int nConnectionIndex;
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CComVariant* pvars = new CComVariant[3];
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int nConnections = m_vec.GetSize();
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for (nConnectionIndex = 0; nConnectionIndex < nConnections; nConnectionIndex++)
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{
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pT->Lock();
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CComPtr<IUnknown> sp = m_vec.GetAt(nConnectionIndex);
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pT->Unlock();
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IDispatch* pDispatch = reinterpret_cast<IDispatch*>(sp.p);
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if (pDispatch != NULL)
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{
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pvars[0] = lpd;
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pvars[1] = oldState;
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pvars[2] = newState;
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DISPPARAMS disp = { pvars, NULL, 3, 0 };
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pDispatch->Invoke(eventidStateChange, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, &disp, NULL, NULL, NULL);
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}
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}
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delete[] pvars;
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}
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};
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#endif
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