很特殊的自绘菜单方法，求原理

[饿半肚]

最近要做自绘菜单，上网搜索了一下，发现一个做得比较炫的例子，但是看不懂他是怎么实现的。代码已经上传到csdn，大家能不能帮忙看看？求原理。。

CSDN下载地址——
http://download.csdn.net/detail/kniferlv0/3734389

出处——
http://www.hackchina.com/cont/55857


关键代码部分——

BOOL CResSkinApp::InitInstance()
{
	AfxEnableControlContainer();

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif

	CAppFace af ;  //line 1
	af.Start(_T("IDR_MY_URF"),GTP_LOAD_RESOURCE,NULL,_T("MYTYPE"),NULL) ;   //line 2
	/*
	if(HRSRC hr = ::FindResource(NULL,"IDR_MY_URF","MYTYPE"))
	{
		ULONG nResSize = ::SizeofResource(NULL,hr) ;
		if(HGLOBAL hz = ::LoadResource(NULL,hr))
		{
			char* p = (char*)LockResource(hz);
			if(p)
				af.Start(p,GTP_LOAD_MEMORY,nResSize,NULL,NULL) ;
		}	
	}
*/
	CResSkinDlg dlg;
	m_pMainWnd = &dlg;
	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if (nResponse == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	af.Remove() ; //Line 3
	
	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	return FALSE;
}

[饿半肚]

哦，原来如此，大概了解了。谢谢大家！

[饿半肚]

不应该周日发帖？

[vansbluge]

功能实现都放在AppFace.dll里了

[QQ515311445]

人家封装了的,你用现成的接口就行,照着他的来,否则就只好自己实现

[gameslq]

这个是用 AppFace,最佳程序换肤控件 !
他们网站
http://appface.com/chs/
在appface.h头文件有如下说明

File:	appface.h
  Purpose:	Use this class to load AppFace API easyly.
  Version  0.2
 
  Compatible with:
       Microsoft Windows 9x, NT, 2000, XP 
       Microsoft Visual C++ 5-7
  uses no MFC
 
 *==========================================================
 * Cpyright MatinSoft Inc. 2004.11.22
 *
 * COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY
 * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
 * THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE
 * OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED
 * CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT
 * THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY
 * SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL
 * PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER
 * THIS DISCLAIMER.
 *
 * Use at your own risk!
 * ==========================================================
  
How to use it ?
  1.Include this file in your project,and copy "AppFace.dll" to the project EXE file output folder.
  2.Declare a global variable in your project:                              CAppFace g_af ;
  3.Load appface before the first window created in the process by call:    g_af.Start(char* UiResourceFile);
  4.Before exit the process to release resource call this :                 g_af.Remove();

Others:
  1.Load URF(UI Resource File) from disk file:   g_af.Start(_T("c:\\Yourpath\\yoururf.urf")) ;
  2.Load URF(UI Resource File) from Resource :   g_af.Start(_T("IDR_URFNAME_YOURDEFINED"),GTP_LOAD_RESOURCE,(DWORD)::GetModuleHandle(NULL),_T("RESOURCETYPE")) ;
  3.Load URF(UI Resource File) from Memory   :   g_af.Start((char*)pBuf,GTP_LOAD_MEMORY,nBufLen)
  4.Change the application UI                :   g_af.Start(_T("c:\\Yourpath\\yourotherurf.urf")) ;               
  5.Return to windows default UI             :   g_af.Start() ;

Bug reported:   
 
  [e-mail]

  http://www.matinsoft.com
  http://www.appface.com

------------------------------------------------------------
这个类帮助您更容易的使用 AppFace 界面开发包
使用方法:
  1. 将这个文件添加进您的工程,将"AppFace.dll"拷贝到EXE文件的输出目录
  2. 在您的工程中声明一个全局变量  CAppFace g_af ;
  3. 在创建第一个窗口前调用        g_af.Start(char * UiResourceFile)    ;
  4. 在程序退出前调用              g_af.Remove()    ;

其它:
  1.从磁盘文件加载 URF(UI Resource File)  :   g_af.Start(_T("c:\\Yourpath\\yoururf.urf")) ;
  2.从资源加载 URF(UI Resource File)      :   g_af.Start(_T("IDR_URFNAME_YOURDEFINED"),GTP_LOAD_RESOURCE,(DWORD)::GetModuleHandle(NULL),_T("RESOURCETYPE")) ;
  3.从内存加载 URF(UI Resource File)      :   g_af.Start((char*)pBuf,GTP_LOAD_MEMORY,nBufLen)
  4.更换UI                                :   g_af.Start(_T("c:\\Yourpath\\yourotherurf.urf")) ;               
  5.恢复Windows 默认界面                  :   g_af.Start() ;
  
Bug reported:
  [e-mail]

  http://www.matinsoft.com
  http://www.appface.com

-------------------------------------------------------------
History:

AppFace.h 0.2    2004.11.25
   Modified "Start" member fucntion to load urf file from resource or memory.
   Modified the description for class CAppFace .
   Supported UNICDOE
   Added a help function,  void T2C(IN LPCTSTR src,OUT char* dst,IN int dstlen) 
        which used to convert a TCHAR string to char string
  
AppFace.h 0.1    2004.09.25
   Can work. 

[liangxd09]

原理可能是：在自绘的回调上自绘；直接hook窗口过程来自绘