简易Dota改键外挂程序制作

// FileName: add.cpp

#include

/* 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;
}