async System.Threading.Tasks.Task resetScanner()
{
if (_ClaimedBarcodeScanner != null)
{
if (_autoScan)
{
await _ClaimedBarcodeScanner.StopSoftwareTriggerAsync();
}
_ClaimedBarcodeScanner.DataReceived -= _ClaimedBarcodeScanner_DataReceived;
_ClaimedBarcodeScanner.ReleaseDeviceRequested -= _ClaimedBarcodeScanner_ReleaseDeviceRequested;
_ClaimedBarcodeScanner.Dispose();
_ClaimedBarcodeScanner = null;
}
_BarcodeScanner = null;
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
//UI code here
textBox_Scan.Background = new SolidColorBrush(Windows.UI.Colors.White);
textBox_Scan.Text = "";
textBox_Time.Text = "";
//play sound at end of Release
});
App.mySoundEffects.Play(AppSoundEffects.SoundEfxEnum.ComputerError);
}
private async Task StopSoftwareTrigger()
{
if (scanner.Capabilities.IsSoftwareTriggerSupported)
{
await claimedScanner.StopSoftwareTriggerAsync();
}
// reset the trigger buttons' state
//rootPage.NotifyUser("Stop Software Trigger", NotifyType.StatusMessage);
}
/// <summary>
/// Event Handler for Stop Software Trigger Button Click.
/// Stops scanning.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void StopSoftwareTriggerButton_Click(object sender, RoutedEventArgs e)
{
if (claimedScanner != null)
{
await claimedScanner.StopSoftwareTriggerAsync();
SoftwareTriggerStarted = false;
RaisePropertyChanged(nameof(SoftwareTriggerStarted));
}
}
private async void ScenarioStopSWTriggerButton_Click(object sender, RoutedEventArgs e)
{
if (scanner.Capabilities.IsSoftwareTriggerSupported)
{
await claimedScanner.StopSoftwareTriggerAsync();
}
// reset the trigger buttons' state
ScenarioStartSWTriggerButton.IsEnabled = true;
ScenarioStopSWTriggerButton.IsEnabled = false;
rootPage.NotifyUser("Stop Software Trigger", NotifyType.StatusMessage);
}
protected override async void OnNavigatedFrom(NavigationEventArgs e)
{
using (ExitLocker)
{
await Task.Run(() =>
{
ExitLocker.WaitOne();
});
}
if (Capture != null)
{
using (Capture)
{
await Capture.StopPreviewAsync();
PreviewControl.Source = null;
}
}
if (ClaimedScanner != null)
{
using (ClaimedScanner)
{
await ClaimedScanner.StopSoftwareTriggerAsync();
await ClaimedScanner.DisableAsync();
ClaimedScanner.DataReceived -= ClaimedScanner_DataReceived;
}
}
BarcodeHistory.Clear();
BarcodeHistory = null;
ExitLocker = null;
Capture = null;
ClaimedScanner = null;
}
