c++ 枚举指定进程子窗口以Acrobat Reader DC （AcroRd32.exe）为例

绝地灬酷狼 2023-06-15 04:57 20阅读 0赞

/*
    
    说明：枚举指定窗口 且可见子窗体 句柄
    文件：FindWindows.h
    作者：@jd
    
    枚举指定进程子窗口类
    
    
    此类以Acrobat Reader DC （AcroRd32.exe）为例
    
    
    */
    
    
    #pragma once
    
    
    class CFindWindows
    {
    public:
    	CFindWindows(void);
    	~CFindWindows(void);
    
    	/*
    	返回可见子窗口句柄  成功返回--非空  失败返回-NULL
    	*/
    	HWND FindPdfWindow(CString strRootClass = _T("AcrobatSDIWindow"), CString strTitle = _T("AVPageView"), 
    		CString strClass  = _T("AVL_AVView"), BOOL bIsVisible = TRUE);
    	HWND FindWndByProcessId(DWORD dwId = ::GetCurrentProcessId());
    
    	///< 枚举窗口回调函数
    	static	BOOL CALLBACK EnumWindowsProc(HWND hwnd, LPARAM lParam);
    	static  BOOL CALLBACK EnumProcessWindowsProc( HWND hwnd, LPARAM lParam );
    	void	OnInitData();
    	
    	CString     m_strRootClass; //主进程根类名
    	CString		m_strTitle;    //子窗体名
    	CString		m_strClass;    //子窗口类，名
    	BOOL		m_bIsVisible;  //是否可见
    };
    
    
    //FindWindows.cpp
    
    
    
    #include "StdAfx.h"
    #include "FindWindows.h"
    
    
    typedef struct
    {
    	HWND	hwndWindow; // 窗口句柄
    	DWORD	dwProcessID; // 进程ID
    	CFindWindows *pFindWnd;
    }EnumWindowsArgEx;
    
    CFindWindows::CFindWindows(void)
    
    {
    	OnInitData();
    }
    
    CFindWindows::~CFindWindows(void)
    {
    }
    
    HWND CFindWindows::FindPdfWindow(CString strRootClass ,CString strTitle, CString strClass, BOOL bIsVisible /*= TRUE*/ )
    {
    	m_strRootClass = strRootClass;
    	m_strTitle = strTitle;
    	m_strClass = strClass;
    	m_bIsVisible = bIsVisible;
    	
    	EnumWindowsArgEx ewa;
    	ewa.dwProcessID =0;// GetCurrentProcessId();
    	ewa.hwndWindow = NULL;
    	ewa.pFindWnd = this;
    #if G_TEST
    	HWND hFind = FindWndByProcessId();
    #else
    	HWND hFind = ::FindWindow(m_strRootClass, NULL);
    #endif
    	
    	if (hFind == NULL)
    	{
    		ewa.hwndWindow = NULL;
    	}
    	else
    	{
    		EnumChildWindows(hFind,EnumWindowsProc, (LPARAM)&ewa);
    	}
    	OnInitData();
    	//返回可见子窗口句柄  
    	return ewa.hwndWindow;
    }
    
    HWND CFindWindows::FindWndByProcessId( DWORD dwId )
    {
    	EnumWindowsArgEx ewa;
    	ewa.dwProcessID =dwId;// GetCurrentProcessId();
    	ewa.hwndWindow = NULL;
    	ewa.pFindWnd = this;
    
    	HWND hwndRet = NULL;
    	//AcrobatSDIWindow;
    	EnumWindows(EnumProcessWindowsProc, (LPARAM)&ewa);
    	if (ewa.hwndWindow)
    	{
    		hwndRet = ewa.hwndWindow;
    	}
    	return hwndRet;
    }
    
    //枚举窗口回调
    BOOL CALLBACK CFindWindows::EnumWindowsProc( HWND hwnd, LPARAM lParam )
    {
    	EnumWindowsArgEx *pArg = (EnumWindowsArgEx *)lParam;
    	if(::GetWindowLong(hwnd, GWL_STYLE)&WS_VISIBLE)
    	{
    		TCHAR szTitle[MAX_PATH] = {0};
    		TCHAR szTitle[MAX_PATH] = { 0 };
    		//::GetWindowText(hwnd, szTitle, MAX_PATH); 获取其他进程edit会失败，应发送 用wm_gettext
    		::SendMessage(hwnd, WM_GETTEXT, sizeof(szTitle) / sizeof(TCHAR), (LPARAM)(void*)szTitle);
    
    		TCHAR szclass[MAX_PATH] = {0};
    		::GetClassName(hwnd,szclass,MAX_PATH);
    
    		BOOL bIsRet = ::IsWindowVisible(hwnd);
    		
    		if (bIsRet && (pArg->pFindWnd->m_strTitle.CompareNoCase(szTitle) == 0) && pArg->pFindWnd->m_strClass.CompareNoCase(szclass) == 0)
    		{
    			pArg->hwndWindow = hwnd;
    			//找到可见的窗口弹出了！！！
    			return FALSE;
    		}
    	}
    
    	// 没找到，继续找，返回TRUE
    	return TRUE;
    }
    
    BOOL CALLBACK CFindWindows::EnumProcessWindowsProc( HWND hWnd, LPARAM lParam )
    {
    	EnumWindowsArgEx *pInfo = (EnumWindowsArgEx *)lParam;
    
    	DWORD dwProcId;
    	::GetWindowThreadProcessId(hWnd, &dwProcId);
    
    	if(dwProcId == pInfo->dwProcessID)
    	{
    		// 在此添加更多限制条件
    		TCHAR szclass[MAX_PATH] = {0};
    		::GetClassName(hWnd,szclass,MAX_PATH);
    
    		if (::IsWindowVisible(hWnd) && (pInfo->pFindWnd->m_strRootClass.CompareNoCase(szclass) == 0) ) // 当前窗口是否可见
    		{
    			pInfo->hwndWindow = hWnd;		// 获取到第一个窗口句柄
    
    			return FALSE;
    		}
    	}
    	return TRUE;
    }
    
    void CFindWindows::OnInitData()
    {
    	m_strRootClass = _T("");
    	m_strTitle	   = _T("");
    	m_strClass     = _T("");
    	m_bIsVisible   = TRUE;
    }

spy++抓取窗口对比如下：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2phbmdkb25n_size_16_color_FFFFFF_t_70][]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2phbmdkb25n_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20191120142829590.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2phbmdkb25n,size_16,color_FFFFFF,t_70