Системный хук на мышь

////////////////////////////////////////////////////////////////////////////////
//Mouse.cpp
 
#include <stdafx.h>
#include <stdio.h>
#include <windows.h>
#include <zmouse.h>
#include "iostream"
#include <Setupapi.h>
#include <Lmcons.h>
#include <zmouse.h>                     
#include <math.h>                       
#pragma comment(lib, "user32.lib")     
#pragma comment(lib, "Advapi32.lib")
#pragma comment(lib, "Kernel32.lib") 
 
 
struct st
{
    double n1;
    double n2;
};
 
 
int main()
{
        
        HMODULE hLib;
        if ((hLib = LoadLibrary("dll-mouse-2.dll")) != NULL) {printf ("Good load DLL \n");}
        int (*pFunction)();
        int i = 0;
 
    while (true) {
        file=fopen(file_name, "a");
        (FARPROC &) pFunction= GetProcAddress(hLib, "MouseHookFunction");
 
        typedef double (*GETDOUBLEVAL)();
        typedef st (*GetSTVal)();
        st st_var;
        double d1, d2;
        
        GetSTVal ST_Val = (GetSTVal) GetProcAddress(hLib,"MouseHookFunction");
        if (ST_Val)
        {
            st_var = ST_Val();
            d1 = st_var.n1;
            d2 = st_var.n2;
        }
        
        char ttt_d1[100];
        sprintf(ttt_d1, "%f", d1);
        int len_ttt_d1=0;
        for (int unsigned j=0;j<strlen(ttt_d1);j++) {len_ttt_d1++;}
        printf("%s\n", ttt_d1);
    }
 
        FreeLibrary(hLib);
 
    return 0;
return 0;   }

////////////////////////////////////////////////////////////////////////////////
//Mouse-dll.cpp
 
#include <iostream>
#include "stdafx.h"
#include <windows.h>
#include <Winuser.h>
#pragma comment(lib, "user32.lib")
 
struct st
{
    double n1;
    double n2;
};
 
extern "C" __declspec(dllexport) st MouseHookFunction();
extern "C" __declspec(dllexport)LRESULT CALLBACK WH_HookMouse(int code,WPARAM wParam,LPARAM lParam);
 
//==============================================================================
 
HHOOK HookHandle;
LRESULT CALLBACK WH_HookMouse(int nCode,WPARAM wParam,LPARAM lParam);
 
st n_st;
//==============================================================================
 
 
st MouseHookFunction()
{
    HookHandle = SetWindowsHookEx(WH_MOUSE,(HOOKPROC)WH_HookMouse, 0, 0);
 
    MSG msg;
    while (GetMessage(&msg,NULL,0,0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return n_st;
};
 
 
LRESULT CALLBACK WH_HookMouse(int code,WPARAM wParam,LPARAM lParam)
{       
    n_st.n1 = 0.1111;
    n_st.n2 = 0.2222;
 
    //обработка событий
        
    return CallNextHookEx(NULL, code, wParam, lParam);
}

LRESULT CALLBACK WH_HookMouse(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
//LRESULT CALLBACK WH_HookMouse(int code,WPARAM wParam,LPARAM lParam)
{       
    int len_ttt_1=0;
    int len_ttt_2=0;
        //n_st.n2 = 0.2222;
    switch(message)
    {
    case WM_LBUTTONDOWN:
        n_st.n1 = LOWORD(lParam);
        char ttt_1[100];
        sprintf(ttt_1, "%i", n_st.n1);
        for (int unsigned j=0;j<strlen(ttt_1);j++) {len_ttt_1++;}
        file=fopen(file_name, "a+");    
        fwrite(ttt_1,len_ttt_1,1,file);
        fwrite(newline,1,1,file);
        n_st.n1 = 0.000000;
        fclose(file);
        break;
 
    default: 
        return DefWindowProc(hWnd, message, wParam, lParam);
    }
    return 0;
    //CallNextHookEx(hHook, message, wParam, lParam)
}