WindowsHook怎么才能检测到其他的窗口？

真的小白 发表于 2022-5-25 14:15

以下是Dll代码，想用来获取正在移动的窗口，无论是 SetWindowsHookExW 还是 SetWinEventHook ，最后获取到的窗口总是调用其中两个 Start() 方法的窗口，获取不到其他正在移动的窗口。
恳求各位大佬指点一二{:1_893:}{:1_893:}{:1_893:}

// dllmain.cpp : 定义 DLL 应用程序的入口点。
#include "pch.h"

static HINSTANCE DllHandle = nullptr;
static HHOOK HookHandle = nullptr;
static HWND HostHandle = nullptr;
static HWINEVENTHOOK EventHookHandle = nullptr;
LPCWPSTRUCT CWPStruct = nullptr;

BOOL APIENTRY DllMain(HMODULE hModule, DWORDul_reason_for_call, LPVOID lpReserved)
{
switch (ul_reason_for_call)
{
   case DLL_PROCESS_ATTACH:
         DllHandle = hModule;
         break;
   case DLL_THREAD_ATTACH:
   case DLL_THREAD_DETACH:
   case DLL_PROCESS_DETACH:
         break;
}
return TRUE;
}

void DoEvent(HWND hWnd)
{
if (IsWindow(hWnd))
{
   if ((GetWindowLongPtrW(hWnd, GWL_STYLE) & WS_CHILD) != WS_CHILD)
   {
         int length = GetWindowTextLengthW(hWnd) + 1;
         WCHAR title;
         GetWindowTextW(hWnd, title, length);
         SendMessageW(HostHandle, WM_USER + 9000, (WPARAM)length, (LPARAM)title);
   }
}
}

void Wineventproc(HWINEVENTHOOK hWinEventHook, DWORD event, HWND hwnd, LONG idObject, LONG idChild, DWORD idEventThread, DWORD dwmsEventTime)
{
if (hWinEventHook == EventHookHandle)
{
   if (event == EVENT_OBJECT_LOCATIONCHANGE)
   {
         DoEvent(hwnd);
   }
}
}

extern "C"
{
__declspec(dllexport) LRESULT CALLBACK CallWndProc(int nCode, WPARAM wParam, LPARAM lParam)
{
   if (nCode >= HC_ACTION)
   {
         if (wParam != 0)
         {
            CWPStruct = (LPCWPSTRUCT)lParam;
            if (CWPStruct->message == WM_MOVING)
            {
               DoEvent(CWPStruct->hwnd);
            }
         }
   }

   return CallNextHookEx(HookHandle, nCode, wParam, lParam);
}

__declspec(dllexport) void Start(HWND hHost)
{
   HostHandle = hHost;
   HookHandle = SetWindowsHookExW(WH_CALLWNDPROC, CallWndProc, DllHandle, 0);
}

__declspec(dllexport) void Stop()
{
   UnhookWindowsHookEx(HookHandle);
}

__declspec(dllexport) void Start2(HWND hHost)
{
   HostHandle = hHost;
   EventHookHandle = SetWinEventHook(EVENT_OBJECT_LOCATIONCHANGE, EVENT_OBJECT_LOCATIONCHANGE, DllHandle, Wineventproc, 0, 0, WINEVENT_INCONTEXT | WINEVENT_SKIPOWNPROCESS);
}

__declspec(dllexport) void Stop2()
{
   UnhookWinEvent(EventHookHandle);
}
}

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WindowsHook怎么才能检测到其他的窗口？