private void SearchCompleted(object operationState)
{
DeviceSearchCompletedEventArgs e = operationState as DeviceSearchCompletedEventArgs;
if (this.DeviceSearchCompleted != null)
{
this.DeviceSearchCompleted(this, e);
}
}
/// <summary>
/// Запускает поиск устройства
/// </summary>
public void StartSearch()
{
lock (this.requestingPorts)
{
if (this.requestingPorts.Count != 0)
{
throw new Exception("Поиск устройства уже запущен, необходимо дождаться завершения");
}
}
this.deviceResponse = null;
this.canceled = false;
if (devicePort != null)
{
byte[] res = { };
try
{
devicePort.Open();
res = devicePort.SendRequest(this.Request, this.Pattern.Length);
if (res != null && (Encoding.ASCII.GetString(res).ToLower().Contains(this.Pattern.ToLower()) ||
Encoding.ASCII.GetString(res).ToLower().Contains(this.BootPattern.ToLower())))
{
this.deviceResponse = res;
}
}
catch { }
finally
{
devicePort.Close();
}
}
if (deviceResponse != null)
{
DeviceSearchCompletedEventArgs e = new DeviceSearchCompletedEventArgs(this.devicePort, this.deviceResponse, null, canceled);
if (this.DeviceSearchCompleted != null)
{
this.DeviceSearchCompleted(this, e);
}
}
else
{
this.devicePort = null;
this.progress = 0;
this.portsCount = 0;
string[] portNames = SerialPort.GetPortNames();
this.portsCount = portNames.Length;
foreach (string portName in portNames)
{
if (!this.requestingPorts.Keys.Contains(portName))
{
WorkerEventHandler workerDelegate = new WorkerEventHandler(this.SearchDevice);
AsyncOperation asyncOp = AsyncOperationManager.CreateOperation(portName);
this.requestingPorts.Add(portName, asyncOp);
workerDelegate.BeginInvoke(portName, asyncOp, null, null);
}
}
}
}
private void CompletionMethod(SerialportChannel port, byte[] response, Exception exception, bool canceled, AsyncOperation asyncOp)
{
DeviceSearchCompletedEventArgs e = new DeviceSearchCompletedEventArgs(port, response, exception, canceled);
asyncOp.PostOperationCompleted(onCompletedDelegate, e);
}