// ButtonDemo.cpp : Implementation of CButtonDemo #include "stdafx.h" #include "ButtonDemo.h" // CButtonDemo STDMETHODIMP CButtonDemo::SetText(BSTR label) { // TODO: Add your implementation code here return S_OK; } LRESULT CButtonDemo::OnLButtonDown(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/) { ::Beep(2000,200); MessageBox("clicked"); Fire_Clicked(); return 0; }