wechat/source/hook/hook/dllmain.cpp

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

HHOOK g_hook = NULL;
LRESULT CALLBACK Hook_CBT_Proc(int nCode, WPARAM wParam, LPARAM lParam)
{
	tagMSG* msg;
	msg = (tagMSG*)lParam;
	if (nCode == HCBT_MINMAX)
	{
		WriteTextLog(_T("窗口HCBT_MINMAX"));
		return 1;
	}

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

BOOL APIENTRY DllMain(HMODULE hModule,
	DWORD  ul_reason_for_call,
	LPVOID lpReserved
)
{
	g_hCurModule = hModule;
	switch (ul_reason_for_call)
	{
	case DLL_PROCESS_ATTACH:
	{
		if (g_hook == NULL)
			g_hook = SetWindowsHookEx(WH_CBT, Hook_CBT_Proc, NULL, ::GetCurrentThreadId());
		WriteTextLog(_T("dll已成功注入:%d,%d"), ::GetCurrentThreadId(), ::GetCurrentProcessId());
		WxInfo wxInfo;
		GetWxInfo(wxInfo);
	}
	break;
	case DLL_THREAD_ATTACH:
		break;
	case DLL_THREAD_DETACH:
		break;
	case DLL_PROCESS_DETACH:
		if (g_hook)
			UnhookWindowsHookEx(g_hook);
		WriteTextLog(_T("dll已成功卸载"));
		break;
	default:
		break;
	}
	return TRUE;
}