/Visual Studio 2008/ATLCOMService/_ISimpleObjectEvents_CP.h

 1#pragma once
 2
 3template<class T>
 4class CProxy_ISimpleObjectEvents :
 5	public IConnectionPointImpl<T, &__uuidof(_ISimpleObjectEvents)>
 6{
 7public:
 8	HRESULT Fire_FloatPropertyChanging( FLOAT NewValue,  VARIANT_BOOL * Cancel)
 9	{
10		HRESULT hr = S_OK;
11		T * pThis = static_cast<T *>(this);
12		int cConnections = m_vec.GetSize();
13
14		for (int iConnection = 0; iConnection < cConnections; iConnection++)
15		{
16			pThis->Lock();
17			CComPtr<IUnknown> punkConnection = m_vec.GetAt(iConnection);
18			pThis->Unlock();
19
20			IDispatch * pConnection = static_cast<IDispatch *>(punkConnection.p);
21
22			if (pConnection)
23			{
24				CComVariant avarParams[2];
25				avarParams[1] = NewValue;
26				avarParams[1].vt = VT_R4;
27				avarParams[0].byref = Cancel;
28				avarParams[0].vt = VT_BOOL|VT_BYREF;
29				DISPPARAMS params = { avarParams, NULL, 2, 0 };
30				hr = pConnection->Invoke(1, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, &params, NULL, NULL, NULL);
31			}
32		}
33		return hr;
34	}
35};
36