hexconv.h

《Windows CE 权威指南》（作者：(美)CHRIS MUENCH

// HexConv.h : Declaration of the CHexConv

#ifndef __HEXCONV_H_
#define __HEXCONV_H_

#include "resource.h"       // main symbols
#include <atlctl.h>
#include "MyFirstCtrlCP.h"


/////////////////////////////////////////////////////////////////////////////
// CHexConv
class ATL_NO_VTABLE CHexConv : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public IDispatchImpl<IHexConv, &IID_IHexConv, &LIBID_MYFIRSTCTRLLib>,
	public CComControl<CHexConv>,
	public IPersistStreamInitImpl<CHexConv>,
	public IOleControlImpl<CHexConv>,
	public IOleObjectImpl<CHexConv>,
	public IOleInPlaceActiveObjectImpl<CHexConv>,
	public IViewObjectExImpl<CHexConv>,
	public IOleInPlaceObjectWindowlessImpl<CHexConv>,
	public IConnectionPointContainerImpl<CHexConv>,
	public IPersistStorageImpl<CHexConv>,
	public ISpecifyPropertyPagesImpl<CHexConv>,
	public IQuickActivateImpl<CHexConv>,
	public IDataObjectImpl<CHexConv>,
	public IProvideClassInfo2Impl<&CLSID_HexConv, &DIID__IHexConvEvents, &LIBID_MYFIRSTCTRLLib>,
	public IPropertyNotifySinkCP<CHexConv>,
	public CComCoClass<CHexConv, &CLSID_HexConv>,
	public CProxy_IHexConvEvents< CHexConv >
{
public:
	CHexConv()
	{
// <BOOK_ADDON Chapter 6.4.1> *****************************
		m_DisplayStr=TEXT("");
		m_InValue=0;
		m_OutValue=0;
// <BOOK_ADDON Chapter 6.4.1> *****************************
	}

DECLARE_REGISTRY_RESOURCEID(IDR_HEXCONV)

DECLARE_PROTECT_FINAL_CONSTRUCT()

BEGIN_COM_MAP(CHexConv)
	COM_INTERFACE_ENTRY(IHexConv)
	COM_INTERFACE_ENTRY(IDispatch)
	COM_INTERFACE_ENTRY(IViewObjectEx)
	COM_INTERFACE_ENTRY(IViewObject2)
	COM_INTERFACE_ENTRY(IViewObject)
	COM_INTERFACE_ENTRY(IOleInPlaceObjectWindowless)
	COM_INTERFACE_ENTRY(IOleInPlaceObject)
	COM_INTERFACE_ENTRY2(IOleWindow, IOleInPlaceObjectWindowless)
	COM_INTERFACE_ENTRY(IOleInPlaceActiveObject)
	COM_INTERFACE_ENTRY(IOleControl)
	COM_INTERFACE_ENTRY(IOleObject)
	COM_INTERFACE_ENTRY(IPersistStreamInit)
	COM_INTERFACE_ENTRY2(IPersist, IPersistStreamInit)
	COM_INTERFACE_ENTRY(IConnectionPointContainer)
	COM_INTERFACE_ENTRY(ISpecifyPropertyPages)
	COM_INTERFACE_ENTRY(IQuickActivate)
	COM_INTERFACE_ENTRY(IPersistStorage)
	COM_INTERFACE_ENTRY(IDataObject)
	COM_INTERFACE_ENTRY(IProvideClassInfo)
	COM_INTERFACE_ENTRY(IProvideClassInfo2)
	COM_INTERFACE_ENTRY_IMPL(IConnectionPointContainer)
END_COM_MAP()

BEGIN_PROP_MAP(CHexConv)
	PROP_DATA_ENTRY("_cx", m_sizeExtent.cx, VT_UI4)
	PROP_DATA_ENTRY("_cy", m_sizeExtent.cy, VT_UI4)
	// Example entries
	// PROP_ENTRY("Property Description", dispid, clsid)
	// PROP_PAGE(CLSID_StockColorPage)
END_PROP_MAP()

BEGIN_CONNECTION_POINT_MAP(CHexConv)
	CONNECTION_POINT_ENTRY(IID_IPropertyNotifySink)
	CONNECTION_POINT_ENTRY(DIID__IHexConvEvents)	// <BOOK_CHANGE Chapter 6.4.1> ************
END_CONNECTION_POINT_MAP()

BEGIN_MSG_MAP(CHexConv)
	CHAIN_MSG_MAP(CComControl<CHexConv>)
	DEFAULT_REFLECTION_HANDLER()
END_MSG_MAP()
// Handler prototypes:
//  LRESULT MessageHandler(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
//  LRESULT CommandHandler(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
//  LRESULT NotifyHandler(int idCtrl, LPNMHDR pnmh, BOOL& bHandled);



// IViewObjectEx
	DECLARE_VIEW_STATUS(VIEWSTATUS_SOLIDBKGND | VIEWSTATUS_OPAQUE)

// IHexConv
public:
	STDMETHOD(SetDisplayString)(BSTR DisplayStr);
	STDMETHOD(get_OutValue)(/*[out, retval]*/ long *pVal);
	STDMETHOD(put_OutValue)(/*[in]*/ long newVal);
	STDMETHOD(get_InValue)(/*[out, retval]*/ long *pVal);
	STDMETHOD(put_InValue)(/*[in]*/ long newVal);

	HRESULT OnDraw(ATL_DRAWINFO& di)
	{
		RECT& rc = *(RECT*)di.prcBounds;
		HBRUSH hBrush, hOldBrush;
		hBrush = (HBRUSH)GetStockObject(WHITE_BRUSH);
		hOldBrush = (HBRUSH)SelectObject(di.hdcDraw, hBrush);
		Rectangle(di.hdcDraw, rc.left, rc.top, rc.right, rc.bottom);
		SelectObject(di.hdcDraw, hOldBrush);

// <BOOK_ADDON Chapter 6.4.1> *****************************
		//LPCTSTR pszText = _T("ATL 3.0 : HexConv");
		TCHAR *pszText=(TCHAR *)LocalAlloc(LMEM_ZEROINIT,(UINT)(m_DisplayStr.Length()+20)*sizeof(TCHAR));
#ifdef UNICODE
		wsprintf(pszText,TEXT("%s %d=0x%x"),m_DisplayStr,m_InValue,m_OutValue);
#else
		USES_CONVERSION;
		wsprintf(pszText,TEXT("%s %d=0x%x"),W2A(m_DisplayStr), m_InValue,m_OutValue);
#endif
		DrawText(di.hdcDraw, pszText, -1, &rc, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
		LocalFree(pszText);
// </BOOK_ADDON Chapter 6.4.1> *****************************

		return S_OK;
	}
// <BOOK_ADDON Chapter 6.4.1> *****************************
private:
	long	m_InValue,m_OutValue;
	CComBSTR m_DisplayStr;
// </BOOK_ADDON Chapter 6.4.1> *****************************
};

#endif //__HEXCONV_H_