cpatlcontrol.h

用VC开发activex 一书实例1 ATLControl

//////////////////////////////////////////////////////////////////////////////
// CProxy_DATLControlWin
template <class T>
class CProxy_DATLControlWin : public IConnectionPointImpl<T, &DIID__DATLControlWin, CComDynamicUnkArray>
{
public:
//methods:
//_DATLControlWin : IDispatch
public:
	void Fire_Change(
		BSTR * bstrCaption,
		long * lAlignment)
	{
		VARIANTARG* pvars = new VARIANTARG[2];
		for (int i = 0; i < 2; i++)
			VariantInit(&pvars[i]);
		T* pT = (T*)this;
		pT->Lock();
		IUnknown** pp = m_vec.begin();
		while (pp < m_vec.end())
		{
			if (*pp != NULL)
			{
				pvars[1].vt = VT_BSTR | VT_BYREF;
				pvars[1].byref= bstrCaption;
				pvars[0].vt = VT_I4 | VT_BYREF;
				pvars[0].byref= lAlignment;
				DISPPARAMS disp = { pvars, NULL, 2, 0 };
				IDispatch* pDispatch = reinterpret_cast<IDispatch*>(*pp);
				pDispatch->Invoke(0x1, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, &disp, NULL, NULL, NULL);
			}
			pp++;
		}
		pT->Unlock();
		delete[] pvars;
	}
	void Fire_ReadyStateChange()
	{
		T* pT = (T*)this;
		pT->Lock();
		IUnknown** pp = m_vec.begin();
		while (pp < m_vec.end())
		{
			if (*pp != NULL)
			{
				DISPPARAMS disp = { NULL, NULL, 0, 0 };
				IDispatch* pDispatch = reinterpret_cast<IDispatch*>(*pp);
				pDispatch->Invoke(DISPID_READYSTATECHANGE, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, &disp, NULL, NULL, NULL);
			}
			pp++;
		}
		pT->Unlock();
	}

};