// 启动观察线程
public static void StartWatch(delegate_changed callback,
CancellationToken token)
{
List <USBDeviceInfo> Infos = new List <USBDeviceInfo>();
Infos = GetUSBDevices();
Task.Run(() =>
{
while (token.IsCancellationRequested == false)
{
Task.Delay(TimeSpan.FromSeconds(2)).Wait(token);
var result = GetUSBDevices();
// 和 Infos 比较
Compare(Infos,
result,
out int add_count,
out int remove_count);
Infos = result;
if (add_count != 0 || remove_count != 0)
{
callback?.Invoke(add_count, remove_count);
}
}
});
}
// 启动观察线程
public static void StartWatch(delegate_changed callback,
CancellationToken token)
{
List <USBDeviceInfo> Infos = new List <USBDeviceInfo>();
Infos = GetUSBDevices();
#if SERIAL
Infos.AddRange(GetSerialDevices());
#endif
Task.Run(() =>
{
try
{
while (token.IsCancellationRequested == false)
{
Task.Delay(TimeSpan.FromSeconds(2)).Wait(token);
if (token.IsCancellationRequested)
{
break;
}
var result = GetUSBDevices();
if (token.IsCancellationRequested)
{
break;
}
#if SERIAL
result.AddRange(GetSerialDevices());
#endif
// 和 Infos 比较
Compare(Infos,
result,
out int add_count,
out int remove_count);
Infos = result;
if (add_count != 0 || remove_count != 0)
{
callback?.Invoke(add_count, remove_count);
}
}
}
catch
{
}
});
}
