C / C++ / MFC

------ Build started: Project: VLTKLib, Configuration: Debug Win32 ------
Compiling...
pHandle.cpp
Linking...
pHandle.obj : error LNK2028: unresolved token (0A000299) "extern "C" struct HWND__ * __stdcall FindWindowW(wchar_t const *,wchar_t const *)" (?FindWindowW@@$$J18YGPAUHWND__@@PB_W0@Z) referenced in function "public: void __thiscall VLTKLib::pHandle::setHandle(char *,char *)" (?setHandle@pHandle@VLTKLib@@$$FQAEXPAD0@Z)
pHandle.obj : error LNK2028: unresolved token (0A00029B) "extern "C" unsigned long __stdcall GetWindowThreadProcessId(struct HWND__ *,unsigned long *)" (?GetWindowThreadProcessId@@$$J18YGKPAUHWND__@@PAK@Z) referenced in function "public: void __thiscall VLTKLib::pHandle::setHandle(struct HWND__ *)" (?setHandle@pHandle@VLTKLib@@$$FQAEXPAUHWND__@@@Z)
pHandle.obj : error LNK2019: unresolved external symbol "extern "C" unsigned long __stdcall GetWindowThreadProcessId(struct HWND__ *,unsigned long *)" (?GetWindowThreadProcessId@@$$J18YGKPAUHWND__@@PAK@Z) referenced in function "public: void __thiscall VLTKLib::pHandle::setHandle(struct HWND__ *)" (?setHandle@pHandle@VLTKLib@@$$FQAEXPAUHWND__@@@Z)
pHandle.obj : error LNK2019: unresolved external symbol "extern "C" struct HWND__ * __stdcall FindWindowW(wchar_t const *,wchar_t const *)" (?FindWindowW@@$$J18YGPAUHWND__@@PB_W0@Z) referenced in function "public: void __thiscall VLTKLib::pHandle::setHandle(char *,char *)" (?setHandle@pHandle@VLTKLib@@$$FQAEXPAD0@Z)
d:\workspace\VLTK\Debug\VLTKLib.dll : fatal error LNK1120: 4 unresolved externals
Build log was saved at "file://d:\workspace\VLTK\VLTKLib\Debug\BuildLog.htm"
VLTKLib - 5 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

#pragma once

#include <string>
#include <stdlib.h>
#include <Windows.h>

namespace VLTKLib
{
    public class pHandle
    {
    private:
        HANDLE hProcess;

    public:
        pHandle(void);
        pHandle(HWND curWin);
        pHandle(char *winClass, char *winTitle);
        ~pHandle(void);

        void setHandle(HWND curWin);
        void setHandle(char *winClass, char *winTitle);
        void closeHandle();
        
        long ReadInt(LPBYTE lpAddress); //Read 4 bytes
        short ReadWord(LPBYTE lpAddress); //Read 2 bytes
        char ReadChar(LPBYTE lpAddress); //Read 1 byte
        char *ReadString(LPBYTE lpAddress, int szChar);
    };
}

#include "StdAfx.h"
#include "pHandle.h"

#include <string>
#include <stdlib.h>
#include <Windows.h>

namespace VLTKLib
{
    pHandle::pHandle(void)
    {
    }

    pHandle::pHandle(HWND curWin)
    {
        setHandle(curWin);
    }

    pHandle::pHandle(char *winClass=NULL, char *winTitle=NULL)
    {
        setHandle(winClass, winTitle);
    }

    pHandle::~pHandle(void)
    {
        CloseHandle(hProcess);
    }

    void pHandle::setHandle(HWND curWin)
    {
        DWORD dwProcessID;
        ::GetWindowThreadProcessId(curWin, &dwProcessID);
        hProcess = OpenProcess(PROCESS_VM_READ|PROCESS_VM_WRITE , FALSE, dwProcessID);
        if (!hProcess) {        
            return;
        }
    }

    void pHandle::setHandle(char *winClass=NULL, char *winTitle=NULL)
    {
        HWND curWin = FindWindow((LPCWSTR)winClass,(LPCWSTR)winTitle);
        setHandle(curWin);
    }
}