/// <summary>
/// Checks the devices that are present at the moment and checks if one of those
/// is the device you defined by filling in the product id and vendor id.
/// </summary>
public void CheckDevicePresent()
{
try
{
//Mind if the specified device existed before.
bool history = false;
if (specified_device != null)
{
history = true;
}
specified_device = HIDDevice.FindDevice(VendorId, ProductId, CreateDevice()); // look for the device on the USB bus
if (specified_device != null) // did we find it?
{
if (OnSpecifiedDeviceArrived != null)
{
this.OnSpecifiedDeviceArrived(this, new EventArgs());
}
specified_device.DataReceived += new DataReceivedEventHandler(DataRecieved);
specified_device.DataSent += new DataSentEventHandler(DataSend);
}
else
{
if (OnSpecifiedDeviceRemoved != null && history)
{
this.OnSpecifiedDeviceRemoved(this, new EventArgs());
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
public static SpecifiedDevice FindSpecifiedDevice(int vendor_id, int product_id) => ((SpecifiedDevice)HIDDevice.FindDevice(vendor_id, product_id, typeof(SpecifiedDevice)));
