我在將字符串傳遞到外部 DLL 中的某個(gè)函數(shù)時(shí)遇到問題。我會(huì)發(fā)布一個(gè)實(shí)際的代碼片段，但它有點(diǎn)混亂并且可能難以閱讀。以下片段是我的個(gè)人代碼的概要。C# 文件（UNICODE）[DllImport("InjectDll.dll", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]private static extern ulong FindProgramProcessId(string procName);[DllImport("InjectDll.dll", CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi)]private static extern bool InjectIntoProcess(ulong procId, string Dll);string ProcName = "random_test_game.exe";string DllPath = @"C:\ProgramData\Hack\File.dll";ulong procId = FindProgramProcessId(ProcName);bool Injected = InjectIntoProcess(procId, DllPath);C++ 文件 (ANSI)DllExport DWORD FindProgramProcessId(const char* procName){    ...}DllExport bool InjectIntoProcess(DWORD procId, const char* Dll){    if (Dll == nullptr)    {        MessageBox(NULL, "DLL", "EMPTY", MB_OK);        return false;    }    ...}C++ 頭文件#pragma once#include <Windows.h>#include <TlHelp32.h>#include <string>#ifdef EXPORT#define DllExport __declspec(dllexport)#else#define DllExport __declspec(dllimport)#endifextern "C" DllExport DWORD FindProgramProcessId(const char* procName);extern "C" DllExport bool InjectIntoProcess(DWORD procId, const char* Dll);引用代碼片段，出現(xiàn)的問題是 FindProgramProcessId 將成功傳遞一個(gè)字符串，沒有問題，但 InjectIntoProcess 將const char* Dll根據(jù)nullptr我在該方法中放入的“額外”代碼顯示。請(qǐng)注意，我嘗試傳遞 anIntPtr代替string和 using Marshal.StringToHGlobalAnsi，但仍然遇到Dll == nullptr問題。它破壞了我的代碼。更多相同信息可以在我的GuidedHacking線程中找到。