private void refreshList()
{
listBox1.Items.Clear();
if (RelayDeviceWrapper.usb_relay_init() != 0)
{
Console.WriteLine("Couldn't initialize!");
MessageBox.Show("Couldn't initialize!");
return;
}
else
{
Console.WriteLine("Initialized successfully!");
}
List <usb_relay_device_info> devicesInfos = new List <usb_relay_device_info>();
usb_relay_device_info deviceInfo = RelayDeviceWrapper.usb_relay_device_enumerate();
devicesInfos.Add(deviceInfo);
while (deviceInfo.next.ToInt32() > 0)
{
deviceInfo = (usb_relay_device_info)Marshal.PtrToStructure(deviceInfo.next, typeof(usb_relay_device_info));
devicesInfos.Add(deviceInfo);
}
foreach (var device in devicesInfos)
{
listBox1.Items.Add(device);
}
}
public static usb_relay_device_info usb_relay_device_enumerate()
{
IntPtr x = RelayDeviceWrapper.Pusb_relay_device_enumerate();
usb_relay_device_info a = (usb_relay_device_info)Marshal.PtrToStructure(x, typeof(usb_relay_device_info));
return(a);
}
private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
{
if (_deviceHandle > 0)
{
RelayDeviceWrapper.usb_relay_device_close(_deviceHandle);
_deviceHandle = 0;
}
for (int i = 0; i < _buttonList.Count; i++)
{
_buttonList[i].BackColor = BackColor;
_buttonList[i].Enabled = false;
}
var lb = (ListBox)sender;
usb_relay_device_info device = (usb_relay_device_info)lb.SelectedItem;
_deviceHandle = RelayDeviceWrapper.usb_relay_device_open(ref device);
int numberOfRelays = (int)device.type;
uint status = 0;
RelayDeviceWrapper.usb_relay_device_get_status(_deviceHandle, ref status);
for (int i = 0; i < numberOfRelays; i++)
{
_buttonList[i].Enabled = true;
if (status > numberOfRelays)
{
_buttonList[i].BackColor = Color.Red;
}
else if (i + 1 == status)
{
_buttonList[i].BackColor = Color.Red;
}
}
}
public static extern int usb_relay_device_open(ref usb_relay_device_info device_info);
