#pragma warning disable VSTHRD100 // 避免使用 Async Void 方法
private async void PageShelf_Loaded(object sender, RoutedEventArgs e)
#pragma warning restore VSTHRD100 // 避免使用 Async Void 方法
{
FingerprintManager.SetError += FingerprintManager_SetError;
FingerprintManager.Touched += FingerprintManager_Touched;
App.TagChanged += CurrentApp_TagChanged;
RfidManager.ListLocks += RfidManager_ListLocks;
RfidManager.ClearCache();
// 注：将来也许可以通过(RFID 以外的)其他方式输入图书号码
if (string.IsNullOrEmpty(RfidManager.Url))
{
this.SetGlobalError("rfid", "尚未配置 RFID 中心 URL");
}
_layer = AdornerLayer.GetAdornerLayer(this.mainGrid);
_adorner = new LayoutAdorner(this);
{
List <string> style = new List <string>();
if (string.IsNullOrEmpty(App.RfidUrl) == false)
{
style.Add("rfid");
}
if (string.IsNullOrEmpty(App.FingerprintUrl) == false)
{
style.Add("fingerprint");
}
if (string.IsNullOrEmpty(App.FaceUrl) == false)
{
style.Add("face");
}
this.patronControl.SetStartMessage(StringUtil.MakePathList(style));
}
// RfidManager.LockCommands = DoorControl.GetLockCommands();
await FillAsync(new CancellationToken());
}
internal void InitializeLayer(Visual visual)
{
_layer = AdornerLayer.GetAdornerLayer(visual);
_adorner = new LayoutAdorner(this);
}
// EventProxy eventProxy;
private void PageBorrow_Loaded(object sender, RoutedEventArgs e)
{
// throw new Exception("test");
_layer = AdornerLayer.GetAdornerLayer(this.mainGrid);
_adorner = new LayoutAdorner(this);
// 准备指纹通道
List <string> errors = new List <string>();
if (string.IsNullOrEmpty(App.FingerprintUrl) == false)
{
#if NO
eventProxy = new EventProxy();
eventProxy.MessageArrived +=
new MessageArrivedEvent(eventProxy_MessageArrived);
#endif
_fingerprintChannel = FingerPrint.StartFingerprintChannel(
App.FingerprintUrl,
out string strError);
if (_fingerprintChannel == null)
{
errors.Add($"启动指纹通道时出错: {strError}");
}
// https://stackoverflow.com/questions/7608826/how-to-remote-events-in-net-remoting
#if NO
_fingerprintChannel.Object.MessageArrived +=
new MessageArrivedEvent(eventProxy.LocallyHandleMessageArrived);
#endif
try
{
_fingerprintChannel.Object.GetMessage("clear");
_fingerprintChannel.Started = true;
}
catch (Exception ex)
{
if (ex is RemotingException && (uint)ex.HResult == 0x8013150b)
{
errors.Add($"启动指纹通道时出错: “指纹中心”({App.FingerprintUrl})没有响应");
}
else
{
errors.Add($"启动指纹通道时出错(2): {ex.Message}");
}
}
}
// 准备 RFID 通道
if (string.IsNullOrEmpty(App.RfidUrl) == false)
{
_rfidChannel = RFID.StartRfidChannel(
App.RfidUrl,
out string strError);
if (_rfidChannel == null)
{
errors.Add($"启动 RFID 通道时出错: {strError}");
}
try
{
var result = _rfidChannel.Object.ListReaders();
// TODO: 某处界面可以显示当前连接的读卡器名字
// 看看是否有至少一个读卡器
if (result.Readers.Length == 0)
{
errors.Add("当前指纹中心没有任何连接的读卡器。请检查读卡器是否正确连接");
}
else
{
_rfidChannel.Started = true;
}
}
catch (Exception ex)
{
if (ex is RemotingException && (uint)ex.HResult == 0x8013150b)
{
errors.Add($"启动 RFID 通道时出错: “RFID-中心”({App.RfidUrl})没有响应");
}
else
{
errors.Add($"启动 RFID 通道时出错: {ex.Message}");
}
}
}
else
{
errors.Add($"尚未配置 RFID 接口 URL");
}
if (errors.Count > 0)
{
this.Error = StringUtil.MakePathList(errors, "; ");
}
// https://stackoverflow.com/questions/13396582/wpf-user-control-throws-design-time-exception
if (!System.ComponentModel.DesignerProperties.GetIsInDesignMode(this))
{
_timer = new System.Threading.Timer(
new System.Threading.TimerCallback(timerCallback),
null,
TimeSpan.FromSeconds(0),
TimeSpan.FromSeconds(1));
}
}