fixedzoomin.h

在vc环境下

#pragma once

#include "resource.h"       // main symbols

#include "ArcCommands.h"
#include "MapCommandBase.h"

class ATL_NO_VTABLE CFixedZoomIn : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public CComCoClass<CFixedZoomIn, &CLSID_FixedZoomIn>,
	public CMapCommandBase
{
public:
	CFixedZoomIn():
	  CMapCommandBase(IDB_FIXEDZOOMIN, IDS_CAPTION_FIXEDZOOMIN, IDS_CATEGORY_COMMANDS)
	  {
	  }

	  DECLARE_REGISTRY_RESOURCEID(IDR_FIXEDZOOMIN)

	  BEGIN_COM_MAP(CFixedZoomIn)
		  COM_INTERFACE_ENTRY(ICommand)
	  END_COM_MAP()

	  DECLARE_PROTECT_FINAL_CONSTRUCT()

	  HRESULT FinalConstruct()
	  {
		  return S_OK;
	  }

	  void FinalRelease() 
	  {
	  }
	  
// ICommand
public:	
	STDMETHOD(OnClick)();

};

OBJECT_ENTRY_AUTO(__uuidof(FixedZoomIn), CFixedZoomIn)