private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
if (_deviceHandle > 0)
{
RelayDeviceWrapper.usb_relay_device_close(_deviceHandle);
}
}
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;
}
}
}