C# Counter-Strike Source Read/WriteProcessMemory problem

        public static bool autohop = true;
        public static bool autostrafe = true;
        public static bool antiAC = true;

        [DllImport("kernel32.dll")]
        public static extern int OpenProcess(uint dwDesiredAccess, bool bInheritHandle, int dwProcessId);

        [DllImport("kernel32.dll")]
        public static extern bool ReadProcessMemory(int hProcess, IntPtr lpBaseAddress, uint buffer, int size, int lpNumberOfBytesRead);

        [DllImport("kernel32.dll")]
        public static extern bool WriteProcessMemory(int hProcess, IntPtr lpBaseAddress, bool value, int size, int lpNumberOfBytesWritten);

        [STAThread]
        public static void Main()
        {
            Process process = Process.GetProcessesByName("hl2")[0];
            ProcessModuleCollection modules = process.Modules;
            ProcessModule dllBaseAddress = null;

            foreach(ProcessModule m in modules)
            {
                if(m.ModuleName == "client.dll")
                {
                    dllBaseAddress = m;

                    break;
                }
            }

            int processWriteHandle = OpenProcess(0x001F0FFF, false, proces*****);
            int processReadHandle = OpenProcess(0x001F0FFF, false, proces*****);
            const int playerbase = 0x53FB04;
            const int jumpoffset = 0x34C;
            const int jump = 0x56C5CC;
            const int localplayer = 0;
            const int fflags = 0;

            while(true)
            {
                ReadProcessMemory(processReadHandle, new IntPtr(dllBaseAddress.BaseAddress.ToInt32() + playerbase), localplayer, sizeof(int), 0);
                ReadProcessMemory(processReadHandle, new IntPtr(localplayer + jumpoffset), fflags, sizeof(int), 0);

                if(Keyboard.IsKeyDown(Key.Space) && autohop && fflags == 257)
                {
                    WriteProcessMemory(processWriteHandle, new IntPtr(dllBaseAddress.BaseAddress.ToInt32() + jump), true, sizeof(bool), 0);
                    Thread.Sleep(250);
                }
                else if(!Keyboard.IsKeyDown(Key.Space) || !autohop || fflags == 256)
                {
                    WriteProcessMemory(processWriteHandle, new IntPtr(dllBaseAddress.BaseAddress.ToInt32() + jump), false, sizeof(bool), 0);

                    if(antiAC)
                    {
                        Thread.Sleep(new Random().Next(250, 300));
                    }
                }

                if(Keyboard.IsKeyDown(Key.Space) && autostrafe)
                {
                    //Autostrafe code here
                }
            }
        }