c++ 修改内存

    HWND hwnd = FindWindow(NULL, TEXT("Form1"));

    DWORD dwProcessId;
    (VOID)GetWindowThreadProcessId(hwnd, &dwProcessId);
    HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS | PROCESS_VM_WRITE |
        PROCESS_VM_READ,
        FALSE, dwProcessId);

    DWORD numBytesRead;
    PVOID pDestination = (PVOID)0x02233C70;//内存地址
    BYTE MyData[4] = { 0 & 0x000000ff, (0 & 0x0000ff00) >> 8, (0 & 0x00ff0000) >> 16, (0 & 0xff000000) >> 24 };
    BOOL fSuccess = WriteProcessMemory(hProcess, pDestination, (PVOID)MyData, 4, NULL);
    while (1)
    {
        ReadProcessMemory(hProcess, (LPCVOID)(0x02233C70), &MyData, sizeof(DWORD), &numBytesRead);
        for (int i = 0; i < 4; i++)
            printf(" %.2x", MyData[i]);
        printf("\n");
        Sleep(100);
    }