/// <summary>
/// 识别设备
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnDevID_Click(object sender, RoutedEventArgs e)
{
this.btnDevID.IsEnabled = false;
this.txtIdetn.Text = "正在识别……";
bool idResult;
// string idInfo;
if (!string.IsNullOrEmpty(txtVisaAddr.Text))
{
TryIdentifyDelegate tryIdentifyDelegate = doTryIdentify;
tryIdentifyDelegate.BeginInvoke(txtVisaAddr.Text, out idResult, EndTryIdentify, this);
}
else
{
MessageBox.Show("VISA地址为空", "消息提示", MessageBoxButton.OK, MessageBoxImage.Information);
}
}
protected void EndTryIdentify(IAsyncResult ar)
{
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, (ThreadStart) delegate()
{
this.btnDevID.IsEnabled = true;
bool idResult;
string idInfo;
TryIdentifyDelegate handler = (TryIdentifyDelegate)((AsyncResult)ar).AsyncDelegate;
idInfo = handler.EndInvoke(out idResult, ar);
if (idResult)
{
this.txtIdetn.Text = idInfo;
this.txtIdetn.Foreground = new SolidColorBrush(Colors.Green);
}
else
{
this.txtIdetn.Text = "识别失败！" + idInfo;
this.txtIdetn.Foreground = new SolidColorBrush(Colors.Red);
}
});
}
