| public RunAsync ( [ priority, [ agileCallback ) : IAsyncAction | ||
| priority | [ | |
| agileCallback | [ | |
| Résultat | IAsyncAction | |
public static async void ExecuteAsync(CoreDispatcher dispatcher)
{
var task = dispatcher.RunAsync(CoreDispatcherPriority.High, ()
=> CmdGo.Instance.Execute(null));
//TaskScheduler.Current
await task;
}
private async void ConnectToWifi(WiFiAvailableNetwork network, PasswordCredential credential, CoreDispatcher dispatcher)
{
var didConnect = credential == null ?
networkPresenter.ConnectToNetwork(network, Automatic) :
networkPresenter.ConnectToNetworkWithPassword(network, Automatic, credential);
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
SwitchToItemState(network, WifiConnectingState, false);
});
if (await didConnect)
{
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
NavigationUtils.NavigateToScreen(typeof(MainPage));
});
}
else
{
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
var item = SwitchToItemState(network, WifiInitialState, false);
item.IsSelected = false;
});
}
}
async void RenderSocialGroupList(List <XboxSocialUserGroup> socialUserGroups)
{
Windows.UI.Core.CoreDispatcher UIDispatcher = Windows.UI.Xaml.Window.Current.CoreWindow.Dispatcher;
await UIDispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal,
() =>
{
m_ui.ClearSocialGroup();
foreach (XboxSocialUserGroup socialUserGroup in socialUserGroups)
{
m_ui.AppendToSocialGroup("--------------------");
if (socialUserGroup.SocialUserGroupType == SocialUserGroupType.FilterType)
{
m_ui.AppendToSocialGroup(
string.Format("Group from filter: {0} {1}", socialUserGroup.PresenceFilterOfGroup.ToString(), socialUserGroup.RelationshipFilterOfGroup.ToString())
);
}
else
{
m_ui.AppendToSocialGroup("Group from custom list");
}
IReadOnlyList <XboxSocialUser> userList = socialUserGroup.Users;
foreach (XboxSocialUser socialUser in userList)
{
m_ui.AppendToSocialGroup("Gamertag: " + socialUser.Gamertag + ". Status: " + socialUser.PresenceRecord.UserState.ToString());
}
if (userList.Count == 0)
{
m_ui.AppendToSocialGroup("No friends found");
}
}
});
}
private async void OnTaskCompleted(BackgroundTaskRegistration task, BackgroundTaskCompletedEventArgs args)
{
await m_coreDispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
//rootPage.NotifyUser("Background task completed", NotifyType.StatusMessage);
});
}
private void Output(string format, params object[] args)
{
var message = string.Format(format, args);
_dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() => { _output.Text = _output.Text + "\n" + message; }).AsTask().Wait();
}
public void Invoke(Action action)
{
var ev = new ManualResetEvent(false);
dispatcher.RunAsync(wuc.CoreDispatcherPriority.Normal, () => {
try
{
action();
}
finally
{
ev.Set();
}
});
ev.WaitOne();
}
public void Invoke(Action action)
{
var ev = new ManualResetEvent(false);
#pragma warning disable 4014
dispatcher.RunAsync(wuc.CoreDispatcherPriority.Normal, () => {
try
{
action();
}
finally
{
ev.Set();
}
});
#pragma warning restore 4014
ev.WaitOne();
}
/// <summary>
/// Forwards the BeginInvoke to the current application's <see cref="Dispatcher"/>.
/// </summary>
/// <param name="method">Method to be invoked.</param>
/// <param name="arg">Arguments to pass to the invoked method.</param>
public Task BeginInvoke(Delegate method, params object[] arg)
{
if (dispatcher != null)
return dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => method.DynamicInvoke(arg)).AsTask();
var coreWindow = CoreApplication.MainView.CoreWindow;
if (coreWindow != null)
{
dispatcher = coreWindow.Dispatcher;
return dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => method.DynamicInvoke(arg)).AsTask();
}
else
return Task.Delay(0);
}
public async Task<ImagePackage> InitializeAsync(CoreDispatcher dispatcher, Image image, Uri uriSource,
IRandomAccessStream streamSource, CancellationTokenSource cancellationTokenSource)
{
_bitmapImage = new BitmapImage();
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
var uri = image.Tag as Uri;
if (uri == uriSource)
{
image.Source = _bitmapImage;
}
});
await _bitmapImage.SetSourceAsync(streamSource).AsTask(cancellationTokenSource.Token);
return new ImagePackage(this, _bitmapImage, _bitmapImage.PixelWidth, _bitmapImage.PixelHeight);
}
private async void SoundEffect()
{
this.mediaPlayerAudio.SetMediaPlayer(_mediaPlayer);
this.mediaPlayerAudio.Source = MediaSource.CreateFromUri(new Uri("ms-appx:///Danzon_De_Pasion_Sting.mp3"));
this._mediaPlayer = mediaPlayerAudio.MediaPlayer;
this._mediaPlayer.Volume = 1f;
await messageDispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal,
() =>
{
this._mediaPlayer.Play();
});
}
public static void SearchForUsbDevices(CoreDispatcher dispatcher)
{
DeviceWatcher deviceWatcher =
DeviceInformation.CreateWatcher(HidDevice.GetDeviceSelector(uPage, uid));
deviceWatcher.Added += (s, a) => dispatcher.RunAsync(CoreDispatcherPriority.Normal, async () =>
{
HidDevice hidDevice = await HidDevice.FromIdAsync(a.Id, FileAccessMode.ReadWrite);
var launcher = new ProgrammatorDevice(hidDevice);
if (UsbDeviceFound != null)
{
UsbDeviceFound(null, new ProgrammatorDeviceEventArgs(launcher));
}
deviceWatcher.Stop();
});
deviceWatcher.Start();
}
/// <summary>
/// Display a dialog box with a custom action when the user presses "OK"
/// </summary>
/// <param name="dispatcher">UI thread's dispatcher</param>
/// <param name="content">Message box content</param>
/// <param name="title">Message box title</param>
/// <param name="okHandler">Callback executed when the user presses "OK"</param>
public static void DisplayDialog(CoreDispatcher dispatcher, string content, string title, UICommandInvokedHandler okHandler)
{
Debug.WriteLine("Dialog requested: " + title + " - " + content);
var unused = dispatcher.RunAsync(CoreDispatcherPriority.Normal, async () =>
{
var dialog = new MessageDialog(content, title);
if (okHandler != null)
{
dialog.Commands.Add(new UICommand("OK", okHandler));
}
else
{
dialog.Commands.Add(new UICommand("OK"));
}
dialog.DefaultCommandIndex = 0;
dialog.CancelCommandIndex = 0;
await dialog.ShowAsync();
});
}
public async Task<ImagePackage> InitializeAsync(CoreDispatcher dispatcher, Image image, Uri uriSource,
IRandomAccessStream streamSource,
CancellationTokenSource cancellationTokenSource)
{
byte[] bytes = new byte[streamSource.Size];
await streamSource.ReadAsync(bytes.AsBuffer(), (uint)streamSource.Size, InputStreamOptions.None).AsTask(cancellationTokenSource.Token);
int width, height;
WriteableBitmap writeableBitmap = null;
if (WebpCodec.GetInfo(bytes, out width, out height))
{
writeableBitmap = new WriteableBitmap(width, height);
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
var uri = image.Tag as Uri;
if (uri == uriSource)
{
image.Source = writeableBitmap;
}
});
WebpCodec.Decode(writeableBitmap, bytes);
}
return new ImagePackage(this, writeableBitmap, writeableBitmap.PixelWidth, writeableBitmap.PixelHeight);
}
public static void BeginInvoke(this CoreDispatcher dispatcher, Action action)
{
dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => action()).AsTask().Forget();
}
private static void InvokeSync(CoreDispatcher dispatcher, Action action)
{
Exception exception = null;
// TODO Research dispatcher.RunIdleAsync
dispatcher.RunAsync(
CoreDispatcherPriority.Normal,
() =>
{
try
{
action();
}
catch (Exception ex)
{
exception = ex;
}
}).AsTask().Wait();
if (exception != null)
{
throw exception;
}
}
public async Task<ImageSource> InitializeAsync(CoreDispatcher dispatcher,
IRandomAccessStream streamSource, CancellationTokenSource cancellationTokenSource)
{
var inMemoryStream = new InMemoryRandomAccessStream();
var copyAction = RandomAccessStream.CopyAndCloseAsync(
streamSource.GetInputStreamAt(0L),
inMemoryStream.GetOutputStreamAt(0L));
await copyAction.AsTask(cancellationTokenSource.Token);
var bitmapDecoder = await BitmapDecoder.
CreateAsync(BitmapDecoder.GifDecoderId, inMemoryStream).AsTask(cancellationTokenSource.Token).ConfigureAwait(false);
var imageProperties = await RetrieveImagePropertiesAsync(bitmapDecoder);
var frameProperties = new List<FrameProperties>();
for (var i = 0u; i < bitmapDecoder.FrameCount; i++)
{
var bitmapFrame = await bitmapDecoder.GetFrameAsync(i).AsTask(cancellationTokenSource.Token).ConfigureAwait(false); ;
frameProperties.Add(await RetrieveFramePropertiesAsync(i, bitmapFrame));
}
_frameProperties = frameProperties;
_bitmapDecoder = bitmapDecoder;
_imageProperties = imageProperties;
_dispatcher = dispatcher;
await _dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
CreateCanvasResources();
});
_isInitialized = true;
return _canvasImageSource;
}
public static void ExecuteOnUIThread(Action action, CoreDispatcher dispatcher)
{
if (dispatcher.HasThreadAccess)
action();
else
{
var asyncaction = dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => action());
}
}
public async void Execute(CoreDispatcher dispatcher)
{
// TODO: Implement a cancellation token to allow for a task cancellation
// when the app is closed or put in sleep mode
var RootFilter = new HttpBaseProtocolFilter();
RootFilter.CacheControl.ReadBehavior = Windows.Web.Http.Filters.HttpCacheReadBehavior.MostRecent;
RootFilter.CacheControl.WriteBehavior = Windows.Web.Http.Filters.HttpCacheWriteBehavior.NoCache;
dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
using (var httpClient = new HttpClient())
{
httpClient.BaseAddress = new Uri(this.BaseUrl);
httpClient.DefaultRequestHeaders.Accept.Clear();
httpClient.DefaultRequestHeaders.Add("Cache-Control", "no-cache");
httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
string json_object = "webservice.php?";
if (this._parameters.Count > 0)
{
foreach (KeyValuePair<string, string> param in this._parameters)
{
json_object += string.Format("{0}={1}&", param.Key, param.Value);
}
}
HttpResponseMessage response = httpClient.GetAsync(json_object).Result;
string statusCode = response.StatusCode.ToString();
response.EnsureSuccessStatusCode();
Task<string> responseBody = response.Content.ReadAsStringAsync();
this.BaseUrl = "http://66.90.73.236/bgconvention/webservice.php";
_callback(new ApiResponse(responseBody.Result));
}
});
}
public async Task<ImagePackage> InitializeAsync(CoreDispatcher dispatcher, Image image, Uri uriSource,
IRandomAccessStream streamSource, CancellationTokenSource cancellationTokenSource)
{
var bitmapDecoder = ImagingCache.Get<BitmapDecoder>(uriSource);
if (bitmapDecoder == null)
{
var inMemoryStream = new InMemoryRandomAccessStream();
var copyAction = RandomAccessStream.CopyAndCloseAsync(
streamSource.GetInputStreamAt(0L),
inMemoryStream.GetOutputStreamAt(0L));
await copyAction.AsTask(cancellationTokenSource.Token);
bitmapDecoder = await BitmapDecoder.CreateAsync(BitmapDecoder.GifDecoderId, inMemoryStream);
ImagingCache.Add(uriSource, bitmapDecoder);
}
var imageProperties = await RetrieveImagePropertiesAsync(bitmapDecoder);
var frameProperties = new List<FrameProperties>();
for (var i = 0u; i < bitmapDecoder.FrameCount; i++)
{
var bitmapFrame = await bitmapDecoder.GetFrameAsync(i).AsTask(cancellationTokenSource.Token).ConfigureAwait(false); ;
frameProperties.Add(await RetrieveFramePropertiesAsync(i, bitmapFrame));
}
_frameProperties = frameProperties;
_bitmapDecoder = bitmapDecoder;
_imageProperties = imageProperties;
_dispatcher = dispatcher;
await _dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
CreateCanvasResources();
var uri = image.Tag as Uri;
if (uri == uriSource)
{
image.Source = _canvasImageSource;
}
});
_isInitialized = true;
return new ImagePackage(this, _canvasImageSource, _imageProperties.PixelWidth, _imageProperties.PixelHeight); ;
}
protected override void WriteLine(string message)
{
_dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() => { _output.Text = _output.Text + "\n" + message; }).AsTask().Wait();
}
public override void Post(SendOrPostCallback d, object state)
{
_dispatcher.RunAsync(_priority, () => d(state));
}
public static void runInForeground(CoreDispatcher Dispatcher, Action actionToRun)
{
if (Dispatcher != null)
Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => actionToRun());
else
Windows.System.Threading.ThreadPool.RunAsync(handler => actionToRun());
}
private static async void beginCore(CoreDispatcher dispatcher, CoreDispatcherPriority priority, DispatchedHandler agileCallback)
{
await dispatcher.RunAsync(priority, agileCallback);
}
private async void ConnectToWifi(WiFiAvailableNetwork network, PasswordCredential credential, CoreDispatcher dispatcher)
{
var didConnect = credential == null ?
networkPresenter.ConnectToNetwork(network, Automatic) :
networkPresenter.ConnectToNetworkWithPassword(network, Automatic, credential);
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
SwitchToItemState(network, WifiConnectingState, false);
});
DataTemplate nextState = (await didConnect) ? WifiConnectedState : WifiInitialState;
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
var item = SwitchToItemState(network, nextState, false);
item.IsSelected = false;
});
}
private static async Task RunInUiThreadAsync(CoreDispatcher dispatcher, DispatchedHandler action)
{
if (dispatcher.HasThreadAccess)
{
action();
}
else
{
await dispatcher.RunAsync(CoreDispatcherPriority.Normal, action).AsTask().ConfigureAwait(false);
}
}
internal void Run(IAsyncAction action, CoreDispatcher uiDispatcher)
{
bool cont = true;
AppTaskResult? lastResult = null;
while (cont)
{
var task = TaskStack.Pop();
object data;
bool success = task(Parameter, action, lastResult, out data);
lastResult = new AppTaskResult(success, data, lastResult);
cont = (SuccessFallbackLimit == -1 || SuccessFallbackLimit > CurrentLevel) && TaskStack.Count > 0;
CurrentLevel++;
}
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
if (action.Status != AsyncStatus.Canceled)
uiDispatcher.RunAsync(CoreDispatcherPriority.High, () => { CompletedCallback(lastResult.Value); });
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
}
private async void EnsureInitialized(Frame frame, IActivatedEventArgs args)
{
//
// Do not repeat app initialization when already running, just ensure that
// the window is active
if (args.PreviousExecutionState == ApplicationExecutionState.Running)
{
Window.Current.Activate();
return;
}
//
// create application
//
ApplicationModel.Current.AllCours.CollectionChanged += (sender, ncce) =>
{
//
// update tiles
//
UpdateTileNotifications();
};
//
// hook up
//
SearchPane.GetForCurrentView().QuerySubmitted += App_QuerySubmitted;
//
// set frame
//
RootFrame = frame;
//
// Do not repeat app initialization when the Window already has content,
// just ensure that the window is active
//
if (RootFrame == null)
{
//
// Create a Frame to act as the navigation context and navigate to the first page
//
RootFrame = new CharmFrame { CharmContent = new Settings.Settings() };
//
//Associate the frame with a SuspensionManager key
//
SuspensionManager.RegisterFrame(RootFrame, "AppFrame");
//
// look at previous state
//
if (args.PreviousExecutionState == ApplicationExecutionState.Terminated || args.PreviousExecutionState == ApplicationExecutionState.ClosedByUser)
{
//
// Restore the saved session state only when appropriate
//
try
{
await SuspensionManager.RestoreAsync();
//
// sync
//
//ApplicationModel.Current.Synchronize();
}
catch (SuspensionManagerException)
{
//
//Something went wrong restoring state.
//Assume there is no state and continue
//
}
}
//
// Place the frame in the current Window
//
Window.Current.Content = RootFrame;
//
// set dispatcher
//
CoreDispatcher = Windows.UI.Core.CoreWindow.GetForCurrentThread().Dispatcher;
//
// get the ConnectionProfile that is currently used to connect to the Internet
//
NetworkInformation.NetworkStatusChanged += async (sender) =>
{
//
// get the ConnectionProfile that is currently used to connect to the Internet
//
bool connected = NetworkInformation.GetInternetConnectionProfile() != null;
//
// dispatch on UI thread
//
await CoreDispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
//
// update
//
ApplicationModel.Current.IsConnected = connected;
});
};
}
if (RootFrame.Content == null)
{
//
// When the navigation stack isn't restored navigate to the first page,
// configuring the new page by passing required information as a navigation
// parameter
//
if (!RootFrame.Navigate(typeof(HomePage), null))
{
throw new Exception("Failed to create initial page");
}
}
//
// Ensure the current window is active
//
Window.Current.Activate();
//
// load state
//
ApplicationModel.Current.LoadState();
//
// load settings
//
ApplicationModel.Current.LoadPersistentSettings();
//
// synchronize
//
ApplicationModel.Current.Synchronize();
}
public async static Task InvokeOnUI(CoreDispatcher d, Action a)
#endif
{
#if WINDOWS_PHONE
d.BeginInvoke(a);
await Task.Delay(0);
#elif !NETFX_CORE
await d.BeginInvoke(a);
#else
await d.RunAsync(CoreDispatcherPriority.Normal, new DispatchedHandler(a));
#endif
}