C + + Get task bar Open program window sample _c language

Copy Code code as follows:

File:openprogramontaskbar.h

#pragma once
#include <vector>

struct TaskInfo
{
Program Name
CString Strprogramname;

Window handle
HWND hwnd;
};

Class Taskbarinfo
{
Public
callback function
Static BOOL CALLBACK Enumwindowproc (HWND hwnd, LPARAM LPARAM);
Public

Log a program that opens in the taskbar
Std::vector<taskinfo> M_taskbarinfoarr;

Top-level window handle
HWND m_hwnd;

Public
Taskbarinfo ();
~taskbarinfo ();

Get open program information in the taskbar
void gettaskbarinof (void);

Gets the top-level window handle, failure returns null
HWND gettopwnd (void);
};

Copy Code code as follows:

File:OpenProgramOnTaskbar.cpp

#include "stdafx.h"///If compile error, please delete this sentence
#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); Get window Title
if (:: IsWindow (HWND) &&
:: IsWindowVisible (HWND) &&
(:: GetWindowLong (HWnd, Gwl_exstyle) &ws_ex_toolwindow)!=ws_ex_toolwindow &&
:: GetWindowLong (HWnd, gwl_hwndparent) ==0)
{
DWORD Dwpid; Save Process Identifier

GetWindowThreadProcessId (HWnd, &dwpid); accepts a window handle. Dwpid the process identifier of the creator who saved the window, GetWindowThreadProcessId the return value is the thread identifier of the creator
HANDLE Hbrowser = OpenProcess (process_all_access, FALSE, dwpid); Opens an existing process object and returns a handle to the process, which is the process handle we want

WCHAR exepath[256];
memset (exepath, 0, 256);
Gets the path of the program and saves it to the ExePath
Getmodulefilenameex (Hbrowser, NULL, ExePath, MAX_PATH);
CString strtemp = ExePath;
Strtemp.makelower ();

Filtering folders open on the desktop, etc.
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; Save Process Identifier
HWND hwnd = NULL;
HWnd =:: GetForegroundWindow ();

GetWindowThreadProcessId (HWnd, &dwpid); accepts a window handle. Dwpid the process identifier of the creator who saved the window, GetWindowThreadProcessId the return value is the thread identifier of the creator
HANDLE Hbrowser = OpenProcess (process_all_access, FALSE, dwpid); Opens an existing process object and returns a handle to the process, which is the process handle we want

WCHAR exepath[256];
memset (exepath, 0, 256);
Gets the path of the program and saves it to the 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;
}