contextmenusample.cpp

电脑编程技巧和源码。很不错的。

// ContextMenuSample.cpp : implementation file
//

#include "stdafx.h"
#include "CMS.h"
#include "ContextMenuSample.h"
#include "Commacros.h"


#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
//
#define ResultFromShort(i)  ResultFromScode(MAKE_SCODE(SEVERITY_SUCCESS, 0, (USHORT)(i)))
/////////////////////////////////////////////////////////////////////////////
// CContextMenuSample

IMPLEMENT_DYNCREATE(CContextMenuSample, CCmdTarget)

CContextMenuSample::CContextMenuSample()
{
	EnableAutomation();
}

CContextMenuSample::~CContextMenuSample()
{
}


void CContextMenuSample::OnFinalRelease()
{
	// When the last reference for an automation object is released
	// OnFinalRelease is called.  The base class will automatically
	// deletes the object.  Add additional cleanup required for your
	// object before calling the base class.

	CCmdTarget::OnFinalRelease();
}


BEGIN_MESSAGE_MAP(CContextMenuSample, CCmdTarget)
	//{{AFX_MSG_MAP(CContextMenuSample)
		// NOTE - the ClassWizard will add and remove mapping macros here.
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

BEGIN_DISPATCH_MAP(CContextMenuSample, CCmdTarget)
	//{{AFX_DISPATCH_MAP(CContextMenuSample)
		// NOTE - the ClassWizard will add and remove mapping macros here.
	//}}AFX_DISPATCH_MAP
END_DISPATCH_MAP()

// Note: we add support for IID_IContextMenuSample to support typesafe binding
//  from VBA.  This IID must match the GUID that is attached to the 
//  dispinterface in the .ODL file.

//
// {5F5F7E70-ADC6-11D3-AF23-AC9F5AA57808}
static const IID IID_IContextMenuSample =
{ 0x5f5f7e70, 0xadc6, 0x11d3, { 0xaf, 0x23, 0xac, 0x9f, 0x5a, 0xa5, 0x78, 0x8 } };

//IMPLEMENT_OLECREATE宏，可自动实现类对象实例化
IMPLEMENT_OLECREATE(CContextMenuSample,"ContextMenuSample",  0x5f5f7e70, 0xadc6, 0x11d3,  0xaf, 0x23, 0xac, 0x9f, 0x5a, 0xa5, 0x78, 0x8 )

//实现接口映射
BEGIN_INTERFACE_MAP(CContextMenuSample, CCmdTarget)
    //IContextMenu  接口
	INTERFACE_PART(CContextMenuSample, IID_IContextMenu, CMS)
	//IShellExtInit 接口
	INTERFACE_PART(CContextMenuSample, IID_IShellExtInit, SEI)
END_INTERFACE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CContextMenuSample message handlers

//IShellExtInit接口的实现
//IMPLEMENT_IUNKNOWN实现了IUnknown接口的基本方法,请参阅Commacros.h文件
IMPLEMENT_IUNKNOWN(CContextMenuSample,SEI)


STDMETHODIMP CContextMenuSample::XSEI::Initialize(LPCITEMIDLIST pidlFolder,
                                                            LPDATAOBJECT lpdobj, 
						                                    HKEY hkeyProgID)
{
	//METHOD_PROLOGUE 宏用于建立名叫pThis的局部变量，该变量是指向接口函数表的指针。
	//该宏必须置于每个接口实现之前。
	METHOD_PROLOGUE(CContextMenuSample,SEI);
	return (HRESULT)NOERROR;
}

//IMPLEMENT_IUNKNOWN实现了IUnknown接口的基本方法,请参阅Commacros.h文件
IMPLEMENT_IUNKNOWN(CContextMenuSample,CMS)

STDMETHODIMP CContextMenuSample::XCMS::QueryContextMenu(
												 HMENU hmenu,
												 UINT indexMenu,
                                                 UINT idCmdFirst,
                                                 UINT idCmdLast,
                                                 UINT uFlags)
{
	METHOD_PROLOGUE(CContextMenuSample,CMS);

	UINT idCmd = idCmdFirst;
	//在上下文菜单中添加菜单选项
    InsertMenu(hmenu,indexMenu,MF_STRING|MF_BYPOSITION,idCmd++,"CMS Sample");
	//得到位图
	HBITMAP hBmp = LoadBitmap(AfxGetApp()->m_hInstance, MAKEINTRESOURCE(IDB_BMP));
	//在菜单旁设置位图
    SetMenuItemBitmaps(hmenu, indexMenu, MF_BYPOSITION, hBmp, hBmp);
    
	return ResultFromShort(idCmd - idCmdFirst);
}


STDMETHODIMP CContextMenuSample::XCMS::InvokeCommand(LPCMINVOKECOMMANDINFO lpici)
{
	METHOD_PROLOGUE(CContextMenuSample,CMS);
	//检测菜单项是否被选中
    if (!HIWORD(lpici->lpVerb))
    {
	   UINT idCmd = LOWORD(lpici->lpVerb);
	   if(idCmd==0)
		   AfxMessageBox("ContextMenu Sample !");
	}
	return (HRESULT)NOERROR;

}

STDMETHODIMP CContextMenuSample::XCMS::GetCommandString(
												 UINT        idCmd,
                                                 UINT        uType,
                                                 UINT      * pwReserved,
                                                 LPSTR       pszName,
                                                 UINT        cchMax)
{
	METHOD_PROLOGUE(CContextMenuSample,CMS);
	return (HRESULT)NOERROR;
}