我假设,我所要求的实际上应该是默认值,但我遇到了一些我不理解的行为。
#include "stdafx.h"
using namespace std;
BOOL CALLBACK enumWindowsProc(
__in HWND hWnd,
__in LPARAM lParam
) {
if( !::IsIconic( hWnd ) ) {
return TRUE;
}
int length = ::GetWindowTextLength( hWnd );
if( 0 == length ) return TRUE;
TCHAR* buffer;
buffer = new TCHAR[ length + 1 ];
memset( buffer, 0, ( length + 1 ) * sizeof( TCHAR ) );
GetWindowText( hWnd, buffer, length + 1 );
tstring windowTitle = tstring( buffer );
delete[] buffer;
wcout << hWnd << TEXT( ": " ) << windowTitle << std::endl;
return TRUE;
}
int _tmain( int argc, _TCHAR* argv[] ) {
wcout << TEXT( "Enumerating Windows..." ) << endl;
BOOL enumeratingWindowsSucceeded = ::EnumWindows( enumWindowsProc, NULL );
cin.get();
return 0;
}
如果我调用该代码,它将列出所有最小化的窗口:
现在,我不再只对最小化的窗口感兴趣,现在我想要所有这些。所以我删除了IsIconic
检查:
BOOL CALLBACK enumWindowsProc(
__in HWND hWnd,
__in LPARAM lParam
) {
/*
if( !::IsIconic( hWnd ) ) {
return TRUE;
}
*/
int length = ::GetWindowTextLength( hWnd );
if( 0 == length ) return TRUE;
TCHAR* buffer;
buffer = new TCHAR[ length + 1 ];
memset( buffer, 0, ( length + 1 ) * sizeof( TCHAR ) );
GetWindowText( hWnd, buffer, length + 1 );
tstring windowTitle = tstring( buffer );
delete[] buffer;
wcout << hWnd << TEXT( ": " ) << windowTitle << std::endl;
return TRUE;
}
现在我得到除了最小化的窗口之外的所有窗口(这次没有列出之前列出的窗口句柄):
为了完整起见,这是stdafx.h
:
#pragma once
#include "targetver.h"
#include <iostream>
#include <map>
#include <string>
namespace std {
#if defined _UNICODE || defined UNICODE
typedef wstring tstring;
#else
typedef string tstring;
#endif
}
#include <stdio.h>
#include <tchar.h>
#include <Windows.h>
#include <psapi.h>