【2021.01.20】C++进程名称获取进程PID、获取指定进程模块句柄

进程名称获取进程PID

#include <Windows.h>
#include <TlHelp32.h>

DWORD GetProcessId(WCHAR* szProcessName)
{
	HANDLE hProcessSnapShot = NULL;
	PROCESSENTRY32 pe32 = { 0 };

	hProcessSnapShot = ::CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, NULL);

	if (hProcessSnapShot == (HANDLE)-1) return NULL;

	pe32.dwSize = sizeof(PROCESSENTRY32);

	if (Process32First(hProcessSnapShot, &pe32))
	{
		do {
			if (!wcscmp(szProcessName, pe32.szExeFile)) return pe32.th32ProcessID;
		} while (Process32Next(hProcessSnapShot, &pe32));
	}
	else
		::CloseHandle(hProcessSnapShot);

	return NULL;
}

获取指定进程模块句柄

#include <Windows.h>
#include <TlHelp32.h>

HMODULE GetProcessModuleHandle(DWORD ProcessId, const WCHAR* szModuleName)
{
	MODULEENTRY32 moduleEntry;
	HANDLE hSnapshot = NULL;

	hSnapshot = ::CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, ProcessId);

	if (!hSnapshot)
	{
		if (hSnapshot != NULL) ::CloseHandle(hSnapshot);
		return NULL;
	}

	ZeroMemory(&moduleEntry, sizeof(MODULEENTRY32));
	moduleEntry.dwSize = sizeof(MODULEENTRY32);

	if (!Module32First(hSnapshot, &moduleEntry))
	{
		::CloseHandle(hSnapshot);
		return NULL;
	}

	do {
		if (wcscmp(moduleEntry.szModule, szModuleName) == NULL) return moduleEntry.hModule;
	} while (Module32Next(hSnapshot, &moduleEntry));
	
	::CloseHandle(hSnapshot);

	return NULL;
}

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转载自blog.csdn.net/qq_18120361/article/details/112908072