简易Dota改键外挂程序制作

dll部分：

#include <Windows.h>

/* 定义全局变量 */
HWND g_hwnd = NULL;
HHOOK g_hKeyboard = NULL;

// 设置数据段
#pragma data_seg("MySec")
static WORD g_keyNum[6]={0};        // 只有初始化过的才能用
static int g_signed = 0;
#pragma data_seg() 
#pragma comment( linker,"/section:MySec,RWS" )

LRESULT CALLBACK KeyboardProc(
    int code,       // hook code
    WPARAM wParam,  // virtual-key code
    LPARAM lParam   // keystroke-message information
    )
{
    for(int j=0; j<6; j++)
    {
        if(wParam==g_keyNum[j] && !(lParam>>31) )
        {
            switch(j)
            {
            case 0: keybd_event(VK_NUMPAD1,0,KEYEVENTF_EXTENDEDKEY,0); keybd_event(VK_NUMPAD1,0,KEYEVENTF_KEYUP,0); return 1;
            case 1: keybd_event(VK_NUMPAD2,0,KEYEVENTF_EXTENDEDKEY,0); keybd_event(VK_NUMPAD2,0,KEYEVENTF_KEYUP,0); return 1;
            case 2: keybd_event(VK_NUMPAD4,0,KEYEVENTF_EXTENDEDKEY,0); keybd_event(VK_NUMPAD4,0,KEYEVENTF_KEYUP,0); return 1;
            case 3: keybd_event(VK_NUMPAD5,0,KEYEVENTF_EXTENDEDKEY,0); keybd_event(VK_NUMPAD5,0,KEYEVENTF_KEYUP,0); return 1;
            case 4: keybd_event(VK_NUMPAD7,0,KEYEVENTF_EXTENDEDKEY,0); keybd_event(VK_NUMPAD7,0,KEYEVENTF_KEYUP,0); return 1;
            case 5: keybd_event(VK_NUMPAD8,0,KEYEVENTF_EXTENDEDKEY,0); keybd_event(VK_NUMPAD8,0,KEYEVENTF_KEYUP,0); return 1;
            }
        }
    }
    return CallNextHookEx(g_hKeyboard,code,wParam,lParam);
}
_declspec(dllexport) void SetHook (WORD KeyNum[])
{
    for(int i=0; i<6; i++)
    {
        g_keyNum[i] = KeyNum[i];
    }
    g_hKeyboard=SetWindowsHookEx(WH_KEYBOARD,KeyboardProc,GetModuleHandle(L"DLL.dll"),0);
}

_declspec(dllexport) void DelHook ()
{
    UnhookWindowsHookEx(g_hKeyboard);
    g_hKeyboard = NULL;
}
</div>

主程序部分：

#include "stdafx.h"
#include "Dota.h"
#include "DotaDlg.h"
#include "afxdialogex.h"

#pragma comment(lib, "DLL.lib")

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

/* 全局变量 */
CDotaDlg * g_pt = NULL;

HHOOK g_hook;

/* 记录输入框是否有焦点 */
bool g_signNum[6] = {false};
/* 记录按下键的编码 */
WORD g_nkey[6] = {0};
/* 按键表 */
CString g_szkeyboard[200];

// 用于应用程序“关于”菜单项的 CAboutDlg 对话框

class CAboutDlg : public CDialogEx
{
public:
    CAboutDlg();

// 对话框数据
    enum { IDD = IDD_ABOUTBOX };

    protected:
    virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV 支持

// 实现
protected:
    DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialogEx(CAboutDlg::IDD)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialogEx::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()

// CDotaDlg 对话框

CDotaDlg::CDotaDlg(CWnd* pParent /*=NULL*/)
    : CDialogEx(CDotaDlg::IDD, pParent)
    , m_num7(_T(""))
    , m_num8(_T(""))
    , m_num4(_T(""))
    , m_num1(_T(""))
    , m_num2(_T(""))
    , m_num5(_T(""))
{
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CDotaDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialogEx::DoDataExchange(pDX);
    DDX_Text(pDX, IDC_EDIT_NUM7, m_num7);
    DDV_MaxChars(pDX, m_num7, 1);
    DDX_Text(pDX, IDC_EDIT_NUM8, m_num8);
    DDV_MaxChars(pDX, m_num8, 1);
    DDX_Text(pDX, IDC_EDIT_NUM4, m_num4);
    DDV_MaxChars(pDX, m_num4, 1);
    DDX_Text(pDX, IDC_EDIT_NUM1, m_num1);
    DDV_MaxChars(pDX, m_num1, 1);
    DDX_Text(pDX, IDC_EDIT_NUM2, m_num2);
    DDV_MaxChars(pDX, m_num2, 1);
    DDX_Text(pDX, IDC_EDIT_NUM5, m_num5);
    DDV_MaxChars(pDX, m_num5, 1);
}

BEGIN_MESSAGE_MAP(CDotaDlg, CDialogEx)
    ON_WM_SYSCOMMAND()
    ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
    ON_BN_CLICKED(IDC_BUTTON_EXIT, &CDotaDlg::OnBnClickedButtonExit)
    ON_EN_SETFOCUS(IDC_EDIT_NUM7, &CDotaDlg::OnEnSetfocusEditNum7)
    ON_WM_DESTROY()
    ON_EN_KILLFOCUS(IDC_EDIT_NUM7, &CDotaDlg::OnEnKillfocusEditNum7)
    ON_EN_SETFOCUS(IDC_EDIT_NUM8, &CDotaDlg::OnEnSetfocusEditNum8)
    ON_EN_KILLFOCUS(IDC_EDIT_NUM8, &CDotaDlg::OnEnKillfocusEditNum8)
    ON_EN_SETFOCUS(IDC_EDIT_NUM4, &CDotaDlg::OnEnSetfocusEditNum4)
    ON_EN_KILLFOCUS(IDC_EDIT_NUM4, &CDotaDlg::OnEnKillfocusEditNum4)
    ON_EN_SETFOCUS(IDC_EDIT_NUM5, &CDotaDlg::OnEnSetfocusEditNum5)
    ON_EN_KILLFOCUS(IDC_EDIT_NUM5, &CDotaDlg::OnEnKillfocusEditNum5)
    ON_EN_SETFOCUS(IDC_EDIT_NUM1, &CDotaDlg::OnEnSetfocusEditNum1)
    ON_EN_KILLFOCUS(IDC_EDIT_NUM1, &CDotaDlg::OnEnKillfocusEditNum1)
    ON_EN_SETFOCUS(IDC_EDIT_NUM2, &CDotaDlg::OnEnSetfocusEditNum2)
    ON_EN_KILLFOCUS(IDC_EDIT_NUM2, &CDotaDlg::OnEnKillfocusEditNum2)
    ON_WM_TIMER()
    ON_BN_CLICKED(IDC_BUTTON_HIDE, &CDotaDlg::OnBnClickedButtonHide)
    ON_MESSAGE(WM_SHOWTASK,OnShowTask)
END_MESSAGE_MAP()

/* 局部钩子处理程序 */
LRESULT CALLBACK KeyboardProc(
    int code,       // hook code
    WPARAM wParam,  // virtual-key code
    LPARAM lParam   // keystroke-message information
    )
{
    /* 按一个键时 */
    if(wParam && !(lParam>>31))
    {
        //CString str;
        //str.Format(L"%d", wParam);