public TesterForm()
        {
            InitializeComponent();
            joystick = new vJoy();
            position = new vJoy.JoystickState();


            /////	General driver data
            short  iVer    = joystick.GetvJoyVersion();
            bool   enabled = joystick.vJoyEnabled();
            string Prd     = joystick.GetvJoyProductString();
            string Mnf     = joystick.GetvJoyManufacturerString();
            string Srl     = joystick.GetvJoySerialNumberString();
            string prt     = String.Format("Product: {0}; Version {1:X}; Manuf: {2}; Serial:{3}", Prd, iVer, Mnf, Srl);

            label1.Text   = prt;
            Enbld.Checked = enabled;

            /////	vJoy Device properties
            int  nBtn     = joystick.GetVJDButtonNumber(id);
            int  nDPov    = joystick.GetVJDDiscPovNumber(id);
            int  nCPov    = joystick.GetVJDContPovNumber(id);
            bool X_Exist  = joystick.GetVJDAxisExist(id, HID_USAGES.HID_USAGE_X);
            bool Y_Exist  = joystick.GetVJDAxisExist(id, HID_USAGES.HID_USAGE_Y);
            bool Z_Exist  = joystick.GetVJDAxisExist(id, HID_USAGES.HID_USAGE_Z);
            bool RX_Exist = joystick.GetVJDAxisExist(id, HID_USAGES.HID_USAGE_RX);

            prt         = String.Format("Device[{0}]: Buttons={1}; DiscPOVs:{2}; ContPOVs:{3}", id, nBtn, nDPov, nCPov);
            label2.Text = prt;

            UInt32 DllVer = 0, DrvVer = 0;
            bool   match = joystick.DriverMatch(ref DllVer, ref DrvVer);

            if (match)
            {
                prt = String.Format("Version of Driver Matches DLL Version {0:X}", DllVer);
            }
            else
            {
                prt = String.Format("Version of Driver ({0:X}) does NOT match DLL Version ({1:X})", DrvVer, DllVer);
            }
            label7.Text = prt;

            long max = 10, min = 10;
            bool ok;

            ok = joystick.GetVJDAxisMax(id, HID_USAGES.HID_USAGE_X, ref max);
            ok = joystick.GetVJDAxisMin(id, HID_USAGES.HID_USAGE_X, ref min);

            /////	Write access to vJoy Device - Basic
            VjdStat status;

            status = joystick.GetVJDStatus(id);
            bool acq = joystick.AcquireVJD(id);

            status = joystick.GetVJDStatus(id);

            position.AxisX      = 1000;
            position.AxisY      = 5000;
            position.AxisZ      = 10000;
            position.AxisXRot   = 20000;
            position.Buttons    = 0xA5A5A5A5;
            position.ButtonsEx1 = 0;
            bool upd = joystick.UpdateVJD(id, ref position);

            status = joystick.GetVJDStatus(id);

            //// Reset functions
            joystick.ResetButtons(id);

            // Register callback function
            // Function to register:     Removal()
            // User data to pass:        label2
            joystick.RegisterRemovalCB(Removal, label2);
        }
 private void initButtons()
 {
     joystick.ResetButtons(id);
 }