ArcGIS Engine Developer Guide

VISUAL C++
5. Clicking OK will modify your ATL class and generate the proxy classes in a
header file, with a name ending in CP, for firing events.
If the wizard fails to run, use the following example, which illustrates a
coclass that is a source of ITOCControlEvents, a pure dispatch interface.
#pragma once
#include "resource.h" // Main symbols
#include "TOCControlCP.h" // Include generated connection point class
for firing events.
//////////////////////////////////////////////////////////////////////////
// CMyEventSource
class ATL_NO_VTABLE CMyEventSource :
public CComObjectRootEx,
public CComCoClass,
public IMyEventSource,
public CProxyITOCControlEvents< CMyEventSource >, // Generated
ConnectionPoint class
public IConnectionPointContainerImpl< CMyEventSource > // Implementation
of Connection point Container
{
public:
CMyEventSource()
{
}
DECLARE_REGISTRY_RESOURCEID(IDR_MYEVENTSOURCE)
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CMyEventSource)
COM_INTERFACE_ENTRY(IMyEventSource)
COM_INTERFACE_ENTRY(IConnectionPointContainer) // Allow QI to this
interface.
END_COM_MAP()
// List of available connection points
136 • ArcGIS Engine Developer Guide