public Deferral GetDeferral()
{
var tcs = new TaskCompletionSource<object>();
var deferral = new Deferral(() => tcs.SetResult(null));
_taskCompletionSources.Add(tcs);
return deferral;
}
public void OnCameraAdded(
HolographicSpace sender,
HolographicSpaceCameraAddedEventArgs args
)
{
Deferral deferral = args.GetDeferral();
HolographicCamera holographicCamera = args.Camera;
Task task1 = new Task(() =>
{
//
// TODO: Allocate resources for the new camera and load any content specific to
// that camera. Note that the render target size (in pixels) is a property
// of the HolographicCamera object, and can be used to create off-screen
// render targets that match the resolution of the HolographicCamera.
//
// Create device-based resources for the holographic camera and add it to the list of
// cameras used for updates and rendering. Notes:
// * Since this function may be called at any time, the AddHolographicCamera function
// waits until it can get a lock on the set of holographic camera resources before
// adding the new camera. At 60 frames per second this wait should not take long.
// * A subsequent Update will take the back buffer from the RenderingParameters of this
// camera's CameraPose and use it to create the ID3D11RenderTargetView for this camera.
// Content can then be rendered for the HolographicCamera.
deviceResources.AddHolographicCamera(holographicCamera);
// Holographic frame predictions will not include any information about this camera until
// the deferral is completed.
deferral.Complete();
});
task1.Start();
}
private async void SystemNavigationManager_CloseRequested(object sender, SystemNavigationCloseRequestedPreviewEventArgs e)
{
Deferral deferral = e.GetDeferral();
ConfirmCloseDialog dlg = new ConfirmCloseDialog();
ContentDialogResult result = await dlg.ShowAsync();
if (result == ContentDialogResult.Secondary)
{
// user cancelled the close operation
e.Handled = true;
deferral.Complete();
}
else
{
switch (dlg.Result)
{
case CloseAction.Terminate:
e.Handled = false;
deferral.Complete();
break;
case CloseAction.Systray:
if (ApiInformation.IsApiContractPresent(
"Windows.ApplicationModel.FullTrustAppContract", 1, 0))
{
await FullTrustProcessLauncher.LaunchFullTrustProcessForCurrentAppAsync();
}
e.Handled = false;
deferral.Complete();
break;
}
}
}
// This event handler for server certificate validation executes synchronously as part of the SSL/TLS handshake.
// An app should not perform lengthy operations inside this handler. Otherwise, the remote server may terminate the connection abruptly.
private async void MyCustomServerCertificateValidator(HttpBaseProtocolFilter sender, HttpServerCustomValidationRequestedEventArgs args)
{
// Get the server certificate and certificate chain from the args parameter.
Certificate serverCert = args.ServerCertificate;
IReadOnlyList <Certificate> serverCertChain = args.ServerIntermediateCertificates;
// To illustrate the use of async APIs, we use the IsCertificateValidAsync method.
// In order to call async APIs in this handler, you must first take a deferral and then
// release it once you are done with the operation. The "using" statement
// ensures that the deferral completes when control leaves the method.
using (Deferral deferral = args.GetDeferral())
{
try
{
bool isCertificateValid = await IsCertificateValidAsync(serverCert);
if (!isCertificateValid)
{
args.Reject();
}
}
catch
{
// If we get an exception from IsCertificateValidAsync, we reject the certificate
// (secure by default).
args.Reject();
}
}
}
private void OnEnteredBackground(object sender, EnteredBackgroundEventArgs e)
{
Debug.WriteLine("Entering Background: " + e);
Deferral deferral = e.GetDeferral();
deferral.Complete();
}
// Helper function for async Read callback
protected virtual async void Characteristic_ReadRequested(
GattLocalCharacteristic sender,
GattReadRequestedEventArgs args,
Deferral deferral = null
)
{
Debug.WriteLine($"base.Characteristic_ReadRequested Entry");
// Get an event deferral for async operations if we don't have one
if (deferral == null)
{
deferral = args.GetDeferral();
}
//
// Normally, GetRequestAsync() is recommended to run on a UI thread
// because, even with paired devices, the device may prompt the
// user for consent. But, we're running in a background service so
// we won't run this on a UI thread. According to one of the devs
// on the core Bluetooth team, because this is for a "test
// application," consent prompts are not currently part of MS's
// policy and it will be auto-accepted.
//
var request = await args.GetRequestAsync();
request.RespondWithValue(Value);
Debug.WriteLine($"Characteristic ReadRequested- Length: " +
$"{request.Length}, State: {request.State}, " +
$"Offset: {request.Offset}"
);
deferral.Complete();
Debug.WriteLine("base.Characteristic_ReadRequested Exit");
}
private async void Close_Requested(object sender, SystemNavigationCloseRequestedPreviewEventArgs e)
{
Deferral deferral = e.GetDeferral();
ContentDialog exitDialog = new ContentDialog
{
Title = "Exit?",
Content = "Have you saved your latest Changes? They otherwise will be lost forever!",
CloseButtonText = "Cancel",
PrimaryButtonText = "Save",
SecondaryButtonText = "Exit",
DefaultButton = ContentDialogButton.Secondary
};
ContentDialogResult result = await exitDialog.ShowAsync();
if (result == ContentDialogResult.Primary)
{
e.Handled = true;
Save_Click(null, null);
}
else if (result != ContentDialogResult.Secondary)
{
e.Handled = true;
}
deferral.Complete();
}
public void OnTeachingTipClosing(TeachingTip sender, TeachingTipClosingEventArgs args)
{
if (lstTeachingTipEvents != null)
{
lstTeachingTipEvents.Items.Add(lstTeachingTipEvents.Items.Count.ToString() + ") " + args.ToString() + " Reason: " + args.Reason.ToString());
lstTeachingTipEvents.ScrollIntoView(lstTeachingTipEvents.Items.Last <object>());
}
CheckBox cancelClosesCheckBox = null;
if (sender == TeachingTipInResources)
{
cancelClosesCheckBox = CancelClosesCheckBoxInResources;
}
else
{
cancelClosesCheckBox = CancelClosesCheckBoxInVisualTree;
}
if (cancelClosesCheckBox != null && cancelClosesCheckBox.IsChecked == true)
{
deferral = args.GetDeferral();
args.Cancel = true;
timer = new DispatcherTimer();
timer.Tick += Timer_Tick;
timer.Interval = new TimeSpan(0, 0, 1);
timer.Start();
}
}
BuildExpressionFactoryRecursively(Boolean directlyToTheRightOfABinaryOperator)
{
var binaryOperatorExpressionFactory =
Synthesis.Create(
Deferral.Create(
() =>
BuildExpressionFactoryRecursively(
directlyToTheRightOfABinaryOperator)),
Deferral.Create(() => BuildExpressionFactoryRecursively(true)),
BinaryOperatorFactory, BinaryExpressionFrom);
var negatedExpressionFactory =
Synthesis.Create(
Deferral.Create(() => BuildExpressionFactoryRecursively(true)),
expression =>
Tuple.Create(expression.Item1,
String.Format(
directlyToTheRightOfABinaryOperator ? "(-{0})" : "-{0}",
expression.Item2)));
var bracketedExpressionFactory =
Synthesis.Create(
Deferral.Create(() => BuildExpressionFactoryRecursively(false)),
expression =>
Tuple.Create(false, String.Format("({0})", expression.Item2)));
return
(Interleaving.Create(new[]
{
ConstantFactory, binaryOperatorExpressionFactory,
negatedExpressionFactory, bracketedExpressionFactory
}));
}
public static async void HandlePairing(CoreDispatcher dispatcher, DevicePairingRequestedEventArgs args)
{
using (Deferral deferral = args.GetDeferral())
{
switch (args.PairingKind)
{
case DevicePairingKinds.DisplayPin:
await ShowPinToUserAsync(dispatcher, args.Pin);
args.Accept();
break;
case DevicePairingKinds.ConfirmOnly:
args.Accept();
break;
case DevicePairingKinds.ProvidePin:
{
string pin = await GetPinFromUserAsync(dispatcher);
if (String.IsNullOrEmpty(pin))
{
args.Accept(pin);
}
}
break;
}
}
}
private async void OnServerCustomValidationRequested(StreamWebSocket sender, WebSocketServerCustomValidationRequestedEventArgs args)
{
// In order to call async APIs in this handler, you must first take a deferral and then
// release it once you are done with the operation. The "using" statement
// ensures that the deferral completes when control leaves the block.
bool isValid;
using (Deferral deferral = args.GetDeferral())
{
// Get the server certificate and certificate chain from the args parameter.
isValid = await MainPage.AreCertificateAndCertChainValidAsync(args.ServerCertificate, args.ServerIntermediateCertificates);
if (!isValid)
{
args.Reject();
}
}
// Continue on the UI thread so we can update UI.
var task = Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
if (isValid)
{
AppendOutputLine("Custom validation of server certificate passed.");
}
else
{
AppendOutputLine("Custom validation of server certificate failed.");
}
});
}
/// <summary>
/// Handle the Print Task Setup Event
/// Raised when the source app sets the Print Ticket. This event provides a callback method for the app to signal it is done handling this event
/// and optionally specifying the need for UI, which will cause the UI part of this App to be launched in OnActivated() with ActivationKind.PrintWorkflowForegroundTask .
/// </summary>
/// <param name="sessionManager">Session manager</param>
/// <param name="printTaskSetupArgs">Has the Configuration, which include the PrintTicket, and other information</param>
private void OnSetupRequested(PrintWorkflowBackgroundSession sessionManager, PrintWorkflowBackgroundSetupRequestedEventArgs printTaskSetupArgs)
{
// Request a deferral if any of the calls here might result in an Async method being called
Deferral setupRequestedDeferral = printTaskSetupArgs.GetDeferral();
// Get information about the source application, print job title, and session ID
string sourceApplicationName = printTaskSetupArgs.Configuration.SourceAppDisplayName;
string jobTitle = printTaskSetupArgs.Configuration.JobTitle;
string sessionId = printTaskSetupArgs.Configuration.SessionId;
// Check to see if user wanted to use the watermark already when the program was run "standalone" and saved in local storage
// and not have UI every time. It can always be reset by running the app again and unchecking the check box
localStorage = new LocalStorageUtilities();
suppressUI = localStorage.GetUseStandaloneSettings();
if (!suppressUI)
{
// Indicate that we need to launch the UI, in this example, because we need to get watermarking text, and optionally an image
printTaskSetupArgs.SetRequiresUI();
// Set storage prefix so that foreground and background can pass properties
string localStorageVariablePrefix = string.Format("{0}::", sessionId.Substring(0, 8));
localStorage.SetStorageKeyPrefix(localStorageVariablePrefix);
}
else
{
// Use unprefixed default values set in "standalone" mode, without showing UI when activated in workflow mode
localStorage.SetStorageKeyPrefix("");
}
// Complete the deferral taken out at the start of OnSetupRequested
setupRequestedDeferral.Complete();
}
public ActionResult Index()
{
ApplicationUser currentUser = (from u in _context.Users
where u.UserName == User.Identity.Name
select u).FirstOrDefault();
LeaveList list = new LeaveList();
list.Holidays = _context.PublicHoliday.ToList();
list.UserLeaves = (from u in _context.Users
where u.Manager.Id == currentUser.Id
select new UserLeave()
{
UserID = u.Id,
Leaves = (from tbl in _context.Leave where tbl.User.Id == u.Id select tbl).ToList(),
Name = u.FullName,
EmploymentStartDate = u.EmploymentStartDate
}).ToList();
List <UserLeave> subLeaves = (from u in _context.Users
where u.Manager.Manager.Id == currentUser.Id
select new UserLeave()
{
UserID = u.Id,
Leaves = (from tbl in _context.Leave where tbl.User.Id == u.Id select tbl).ToList(),
Name = u.FullName,
EmploymentStartDate = u.EmploymentStartDate
}).ToList();
list.UserLeaves.AddRange(subLeaves);
list.Leaves = _context.Leave.Where(tbl => tbl.User.Id == currentUser.Id).ToList();
list.Leaves = Deferral.AddDeferral(list.Leaves, list.Holidays);
list.Leaves = Accrual.AddAccrual(currentUser.EmploymentStartDate, currentUser.FullName, list.Leaves);
foreach (UserLeave userLeave in list.UserLeaves)
{
userLeave.Leaves = Deferral.AddDeferral(userLeave.Leaves, list.Holidays);
userLeave.Leaves = Accrual.AddAccrual(userLeave.EmploymentStartDate, userLeave.Name, userLeave.Leaves);
}
list.FormModel = new LeaveFormModel()
{
StartDate = DateTime.Now.Date,
EndDate = DateTime.Now.Date,
UserID = currentUser.Id,
RequestDate = DateTime.Now,
LeaveStateID = 1,
Note = "",
Attachement = "",
Institution = "",
StudentNumber = ""
};
ViewBag.LeaveStateID = new SelectList(_context.LeaveState, "LeaveStateID", "Description", 1);
return(View(list));
}
private async void SystemNavigationManager_CloseRequested(object sender, SystemNavigationCloseRequestedPreviewEventArgs e)
{
Deferral deferral = e.GetDeferral();
ContentDialog dlg = new ContentDialog()
{
Title = "Do you really want to exit the application?", PrimaryButtonText = "Yes", SecondaryButtonText = "No"
};
ContentDialogResult result = await dlg.ShowAsync();
if (result == ContentDialogResult.Secondary)
{
// user cancelled the close operation
e.Handled = true;
deferral.Complete();
}
else
{
if (Connection != null)
{
ValueSet message = new ValueSet();
message.Add("InterCommunication", JsonSerializer.Serialize(new Common.InterCommunication()
{
InterCommunicationType = InterCommunicationType.Exit
}));
await Connection.SendMessageAsync(message);
}
e.Handled = false;
deferral.Complete();
}
}
private async void SystemNavigationManager_CloseRequested(object sender, SystemNavigationCloseRequestedPreviewEventArgs e)
{
int closeNum = 1;
Deferral deferral = e.GetDeferral();
if (false)
{
// user cancelled the close operation
e.Handled = true;
deferral.Complete();
}
else
{
switch (closeNum)
{
case 0:
e.Handled = false;
deferral.Complete();
break;
case 1:
if (ApiInformation.IsApiContractPresent(
"Windows.ApplicationModel.FullTrustAppContract", 1, 0))
{
await FullTrustProcessLauncher.LaunchFullTrustProcessForCurrentAppAsync();
}
e.Handled = false;
deferral.Complete();
break;
}
}
}
/// <inheritdoc/>
public void StartDeferral()
{
if (Deferral == null)
{
Deferral = GetDeferral();
}
}
private void OnEnteredBackground(object sender, EnteredBackgroundEventArgs e)
{
Deferral deferral = e.GetDeferral();
IsForeground = false;
NotificationSystem.RefreshCallNotification(CallSystem.CallManager.CurrentCalls);
deferral.Complete();
}
// X 버튼 누르시에 할 일을 추가해야함
private void SystemNavigationManager_CloseRequested(object sender, SystemNavigationCloseRequestedPreviewEventArgs e)
{
Deferral deferral = e.GetDeferral();
e.Handled = false;
deferral.Complete();
}
/// <summary>
/// Adds an outstanding deferral to the internal deferral tracker such that
/// <see cref="DeferAsync"/> will not complete until this deferral does.
/// </summary>
/// <returns></returns>
public Deferral GetDeferral()
{
TaskCompletionSource <bool> deferralCompletion = new TaskCompletionSource <bool>();
Deferral deferral = new Deferral(() => deferralCompletion.SetResult(true));
this.deferralCompletions.Add(deferralCompletion);
return(deferral);
}
private void OnLeavingBackground(object sender, LeavingBackgroundEventArgs e)
{
Deferral deferral = e.GetDeferral();
IsForeground = true;
NotificationSystem.RemoveCallToastNotifications();
deferral.Complete();
}
public Deferral GetDeferral()
{
var tcs = new TaskCompletionSource <object>();
var deferral = new Deferral(() => tcs.SetResult(null));
_taskCompletionSources.Add(tcs);
return(deferral);
}
private async void OnAppWindowCloseRequested(AppWindow sender, AppWindowCloseRequestedEventArgs e)
{
Deferral deferral = e.GetDeferral();
e.Cancel = !await ViewModel.TryCloseAsync();
deferral.Complete();
}
private async void RefreshContainer_RefreshRequested(RefreshContainer sender, RefreshRequestedEventArgs e)
{
Deferral deferral = e.GetDeferral();
await ViewModel.RefreshAsync();
deferral.Complete();
}
/// <summary>
/// Gets a deferral. The deferral is complete when disposed.
/// </summary>
/// <returns>The deferral.</returns>
public IDisposable GetDeferral()
{
if (_count == null)
_count = new AsyncCountdownEvent(1);
var ret = new Deferral(_count);
_count.AddCount();
return ret;
}
/// <summary>
/// Read request callback to update the value
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
protected override async void Characteristic_ReadRequested(GattLocalCharacteristic sender, GattReadRequestedEventArgs args)
{
Deferral deferral = args.GetDeferral();
Debug.WriteLine($"MSFTLongReadCharacteristic: ReadRequested - MaxPduSize {args.Session.MaxPduSize}");
await UpdateValue(args);
base.Characteristic_ReadRequested(sender, args, deferral);
}
/// <inheritdoc/>
public void EndDeferral()
{
if (Deferral != null)
{
Deferral.Complete();
Dispose();
Deferral = null;
}
}
private void WorkListBox_RefreshRequested(object sender, Controls.RefreshRequestedEventArgs e)
{
using (Deferral deferral = WorkListBox.AutoRefresh ? e.GetDeferral() : null)
{
galleries.Clear();
ListProgressBar.Visibility = Visibility.Visible;
LoadGalleries();
}
}
private async void OnCloseRequested(object sender, SystemNavigationCloseRequestedPreviewEventArgs e)
{
Deferral deferral = e.GetDeferral();
e.Handled = await ViewModel.TabViewManager.TabViewManager.MainTabView.GetUnclosableTabsAsync().CountAsync() > 0 ||
await ViewModel.TabViewManager.TabViewManager.SolutionExplorerTabView.GetUnclosableTabsAsync().CountAsync() > 0;
deferral.Complete();
}
void CompleteRefresh()
{
if (_refreshCompletionDeferral != null)
{
_refreshCompletionDeferral.Complete();
_refreshCompletionDeferral.Dispose();
_refreshCompletionDeferral = null;
}
}
private void WorkCompletedForMemory()
{
if (this.RefreshCompletionDeferralForMemory != null)
{
this.RefreshCompletionDeferralForMemory.Complete();
this.RefreshCompletionDeferralForMemory.Dispose();
this.RefreshCompletionDeferralForMemory = null;
}
}
private async void CustomPairInfo_PairingRequested(DeviceInformationCustomPairing sender, DevicePairingRequestedEventArgs args)
{
Deferral PairDeferral = args.GetDeferral();
try
{
PairConfirmaion = new TaskCompletionSource <bool>();
switch (args.PairingKind)
{
case DevicePairingKinds.ConfirmPinMatch:
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
Tips.Text = $"{Globalization.GetString("BluetoothUI_Tips_Text_5")}{Environment.NewLine}{args.Pin}";
Tips.Visibility = Visibility.Visible;
PinConfirm.Visibility = Visibility.Visible;
PinRefuse.Visibility = Visibility.Visible;
});
if (await PairConfirmaion.Task)
{
args.Accept(args.Pin);
}
break;
}
case DevicePairingKinds.ConfirmOnly:
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
Tips.Text = Globalization.GetString("BluetoothUI_Tips_Text_6");
Tips.Visibility = Visibility.Visible;
PinConfirm.Visibility = Visibility.Visible;
PinRefuse.Visibility = Visibility.Visible;
});
if (await PairConfirmaion.Task)
{
args.Accept();
}
break;
}
}
}
catch (Exception ex)
{
LogTracer.Log(ex, $"An exception was threw in {nameof(CustomPairInfo_PairingRequested)}, pair with bluetooth failed");
}
finally
{
PairDeferral.Complete();
}
}
/// <summary>
/// Called when a custom pairing is initiated so that we can handle its custom ceremony
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
public async void PairingRequestedHandlerAsync(DeviceInformationCustomPairing sender, DevicePairingRequestedEventArgs args)
{
LogService.Write((Enum.GetName(typeof(DevicePairingKinds), args.PairingKind)), LoggingLevel.Information);
BluetoothDeviceInfo currentDevice = new BluetoothDeviceInfo(args.DeviceInformation);
// Save the args for use in ProvidePin case
_pairingRequestedArgs = args;
// Save the deferral away and complete it where necessary.
if (args.PairingKind != DevicePairingKinds.DisplayPin)
{
_deferral = args.GetDeferral();
}
switch (args.PairingKind)
{
// Windows itself will pop the confirmation dialog as part of "consent" depending on which operating OS is running
case DevicePairingKinds.ConfirmOnly:
{
var confirmationMessage = string.Format(BluetoothConfirmOnlyText, args.DeviceInformation.Name, args.DeviceInformation.Id);
if (await DisplayMessagePanel(confirmationMessage, MessageType.InformationalMessage))
{
AcceptPairing();
}
}
break;
// We only show the PIN on this side. The ceremony is actually completed when the user enters the PIN on the target device.
case DevicePairingKinds.DisplayPin:
{
var confirmationMessage = string.Format(BluetoothDisplayPINText, args.Pin);
await DisplayMessagePanel(confirmationMessage, MessageType.OKMessage);
}
break;
// A PIN may be shown on the target device and the user needs to enter the matching PIN on the originating device.
case DevicePairingKinds.ProvidePin:
{
_inProgressPairButton.Flyout = _savedPairButtonFlyout;
_inProgressPairButton.Flyout.ShowAt(_inProgressPairButton);
}
break;
// We show the PIN here and the user responds with whether the PIN matches what is displayed on the target device.
case DevicePairingKinds.ConfirmPinMatch:
{
var confirmationMessage = string.Format(BluetoothConfirmPINMatchText, args.Pin);
if (await DisplayMessagePanel(confirmationMessage, MessageType.YesNoMessage))
{
AcceptPairing();
}
}
break;
}
}
