_idispconnectevents2_cp.h

来自「Thinkinc++English 电子书籍,英文版」· C头文件 代码 · 共 41 行

// 向导生成的连接点代理类
// 警告: 此文件可以由向导重新生成


#pragma once

template<class T>
class CProxy_IDispConnectEvents2 :
	public IConnectionPointImpl<T, &__uuidof(_IDispConnectEvents2)>
{
public:
	HRESULT Fire_Timer( VARIANT  varDate)
	{
		HRESULT hr = S_OK;
		T * pThis = static_cast<T *>(this);
		int cConnections = m_vec.GetSize();

		for (int iConnection = 0; iConnection < cConnections; iConnection++)
		{
			pThis->Lock();
			CComPtr<IUnknown> punkConnection = m_vec.GetAt(iConnection);
			pThis->Unlock();

			IDispatch * pConnection = static_cast<IDispatch *>(punkConnection.p);

			if (pConnection)
			{
				CComVariant avarParams[1];
				avarParams[0] = varDate;//	avarParams[0].vt = VT_VARIANT;
				CComVariant varResult;

				DISPPARAMS params = { avarParams, NULL, 1, 0 };
				hr = pConnection->Invoke(1, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, &params, &varResult, NULL, NULL);
			}
		}
		return hr;
	}
};