我开始在 32 平台上编写代码并且代码工作得很好，但是在 64 位甚至无法启动，我正在寻找的是问题开始的地方，为什么认为在 64 下不起作用？
错误是：
“MyApp.exe”中 0x00FF1230 处未处理的异常：0xC0000005：访问冲突执行位置 0x00FF1230
实际代码是：
// win.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
/* Keymapper v1.1
*
* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What The Fuck You Want
* To Public License, Version 2, as published by Sam Hocevar. See
* http://sam.zoy.org/wtfpl/COPYING for more details. */
// Make a really small executable
#pragma comment(linker,"/ENTRY:main") // Set entry point
// Merge all default sections into the .text (code) section.
#pragma comment(linker,"/MERGE:.rdata=.data")
#pragma comment(linker,"/MERGE:.text=.data")
#pragma comment(lib, "msvcrt.lib")
#if (_MSC_VER < 1300)
#pragma comment(linker,"/IGNORE:4078")
#pragma comment(linker,"/OPT:NOWIN98")
#endif
#pragma comment(linker, "/FILEALIGN:0x200")
#define WIN32_LEAN_AND_MEAN
#define VC_EXTRALEAN
#define WH_KEYBOARD_LL 13
#include <windows.h>
LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam);
BOOL WINAPI ConsoleEventHandler(DWORD dwCtrlType); // for graceful exit
DWORD dwMainThread = 0; // because apparently the console event handler thread for Ctrl+C is different from the main thread
int main(int args, char* argv[])
{
const char message[] =
"Caps Lock Remapper\n"
"Remaps Caps Lock to Backspace on the fly without rebooting.\n"
"Written by Petrus Theron http://freshcode.co/\n"
"Fork this on GitHub: http://github.com/pate/keymapper\n"
"\nPress Ctrl+C or close window to exit.\n";
DWORD count = 0;
HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
WriteConsoleA(hStdOut, message, sizeof(message)-2, &count, NULL);
if (!SetConsoleCtrlHandler(ConsoleEventHandler, TRUE))
return -1;
dwMainThread = GetCurrentThreadId();
// Retrieve the applications instance
HINSTANCE appInstance = GetModuleHandle(NULL);
// Attach global keyboard hook to capture keystrokes
HHOOK hHook = SetWindowsHookEx(WH_KEYBOARD_LL, LowLevelKeyboardProc, appInstance, 0);
if (!hHook)
return -2;
MSG msg;
while(GetMessage(&msg, NULL, 0, 0) > 0)
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
// Clean up
UnhookWindowsHookEx(hHook);
SetConsoleCtrlHandler(ConsoleEventHandler, FALSE);
return 0;
}
LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam)
{
KBDLLHOOKSTRUCT *pKeyBoard = (KBDLLHOOKSTRUCT *)lParam;
switch( pKeyBoard->vkCode )
{
case VK_CAPITAL:
{
switch (wParam)
{
case WM_KEYDOWN:
keybd_event(VK_BACK, 0x8e, 0, 0);
return 1;
case WM_KEYUP:
keybd_event(VK_BACK, 0x8e, KEYEVENTF_KEYUP, 0);
return 1;
}
}
default:
return CallNextHookEx( NULL, nCode, wParam, lParam );
}
return 0;
}
BOOL WINAPI ConsoleEventHandler(DWORD dwCtrlType)
{
switch(dwCtrlType)
{
case CTRL_C_EVENT:
case CTRL_CLOSE_EVENT:
PostThreadMessage(dwMainThread, WM_QUIT, NULL, NULL);
return TRUE;
default:
return FALSE;
}
}