// File: OpenProgramOnTaskbar.h
#pragma once
#include <vector>
struct TaskInfo
{
// 程序名称
CString strProgramName;
// 窗口句柄
HWND hWnd;
};
class TaskbarInfo
{
public:
// 回调函数
static BOOL CALLBACK EnumWindowProc(HWND hWnd, LPARAM lParam);
public:
// 记录在任务栏打开的程序
std::vector<TaskInfo> m_TaskbarInfoArr;
// 顶层窗口句柄
HWND m_hWnd;
public:
TaskbarInfo();
~TaskbarInfo();
// 获得在任务栏打开程序信息
void GetTaskbarInof (void);
// 获得顶层窗口句柄,失败返回NULL
HWND GetTopWnd (void);
};
// File: OpenProgramOnTaskbar.cpp
#include "stdafx.h" // 如果编译出错,请删除这句
#include "OpenProgramOnTaskbar.h"
#include "Psapi.h"
#pragma comment(lib, "Psapi.lib")
TaskbarInfo::TaskbarInfo()
{
}
TaskbarInfo::~TaskbarInfo()
{
}
void TaskbarInfo::GetTaskbarInof (void)
{
EnumWindows(EnumWindowProc, (LPARAM)this);
}
BOOL CALLBACK TaskbarInfo::EnumWindowProc(HWND hWnd, LPARAM lParam)
{
TaskbarInfo * pTaskbarInfo = (TaskbarInfo*)lParam;
TCHAR szWindow[256]={0};
TaskInfo taskInfo;
::GetWindowText(hWnd, szWindow, 255); //获取窗口标题
if ( ::IsWindow(hWnd) &&
::IsWindowVisible(hWnd) &&
(::GetWindowLong(hWnd, GWL_EXSTYLE)&WS_EX_TOOLWINDOW)!=WS_EX_TOOLWINDOW &&
::GetWindowLong(hWnd, GWL_HWNDPARENT)==0 )
{
DWORD dwPID; //保存进程标识符
GetWindowThreadProcessId(hWnd, &dwPID); //接受一个窗口句柄。dwPID保存窗口的创建者的进程标识符,GetWindowThreadProcessId返回值是该创建者的线程标识符
HANDLE hBrowser = OpenProcess(PROCESS_ALL_ACCESS, FALSE, dwPID); //打开一个已存在的进程对象,并返回进程的句柄,这就是我们要的进程句柄了
WCHAR exePath[256];
memset(exePath, 0, 256);
//获取程序的path,并保存到exePath
GetModuleFileNameEx(hBrowser, NULL, exePath, MAX_PATH);
CString strTemp = exePath;
strTemp.MakeLower();
// 过滤在桌面打开的文件夹等
if (!strTemp.IsEmpty() && strTemp.Find(_T("explorer.exe")) == -1)
{
taskInfo.strProgramName = szWindow;
taskInfo.hWnd = hWnd;
pTaskbarInfo->m_TaskbarInfoArr.push_back(taskInfo);
memset(szWindow, 0, 256);
}
}
return TRUE;
}
HWND TaskbarInfo::GetTopWnd (void)
{
DWORD dwPID; //保存进程标识符
HWND hWnd = NULL;
hWnd = ::GetForegroundWindow();
GetWindowThreadProcessId(hWnd, &dwPID); //接受一个窗口句柄。dwPID保存窗口的创建者的进程标识符,GetWindowThreadProcessId返回值是该创建者的线程标识符
HANDLE hBrowser = OpenProcess(PROCESS_ALL_ACCESS, FALSE, dwPID); //打开一个已存在的进程对象,并返回进程的句柄,这就是我们要的进程句柄了
WCHAR exePath[256];
memset(exePath, 0, 256);
//获取程序的path,并保存到exePath
GetModuleFileNameEx(hBrowser, NULL, exePath, MAX_PATH);
CString strTemp = exePath;
strTemp.MakeLower();
if (!strTemp.IsEmpty() && strTemp.Find(_T("explorer.exe")) == -1)
{
m_hWnd = hWnd;
if (m_hWnd != NULL)
{
return m_hWnd;
}
}
return NULL;
}