public void TestCancelAsync()
{
BackgroundWorker bw = new BackgroundWorker();
bw.DoWork += DoWorkExpectCancel;
bw.WorkerSupportsCancellation = true;
manualResetEvent3 = new ManualResetEventSlim(false);
bw.RunWorkerAsync("Message");
bw.CancelAsync();
bool ret = manualResetEvent3.Wait(TimeoutLong);
Assert.True(ret);
// there could be race condition between worker thread cancellation and completion which will set the CancellationPending to false
// if it is completed already, we don't check cancellation
if (bw.IsBusy) // not complete
{
if (!bw.CancellationPending)
{
for (int i = 0; i < 1000; i++)
{
Wait(TimeoutShort);
if (bw.CancellationPending)
{
break;
}
}
}
// Check again
if (bw.IsBusy)
Assert.True(bw.CancellationPending, "Cancellation in Main thread");
}
}
public void CancelAsyncNonBusy()
{
var backgroundWorker = new BackgroundWorker<object, object, object>
{
WorkerSupportsCancellation = true
};
Assert.IsFalse(backgroundWorker.IsBusy);
backgroundWorker.CancelAsync();
}
private void Initialize()
{
_bw?.CancelAsync();
UseWaitCursor = true;
_oldSubmoduleInfo = null;
if (Submodules.SelectedRows.Count == 1)
{
_oldSubmoduleInfo = Submodules.SelectedRows[0].DataBoundItem as GitSubmoduleInfo;
}
lock (_modules)
{
_modules.Clear();
}
_bw = new BackgroundWorker();
_bw.DoWork += bw_DoWork;
_bw.ProgressChanged += bw_ProgressChanged;
_bw.RunWorkerCompleted += bw_RunWorkerCompleted;
_bw.WorkerReportsProgress = true;
_bw.WorkerSupportsCancellation = true;
_bw.RunWorkerAsync();
}
public void BackgroundWorker_CancelAsync_ThrowsInvalidOperationExceptionWhenWorkerSupportsCancellationIsFalse()
{
using (UnitTestContext context = GetContext())
{
BackgroundWorker target = new BackgroundWorker();
target.DoWork += (o, e) =>
{
for (int i = 1; i < 11; i++)
{
Thread.Sleep(10);
}
};
target.WorkerSupportsCancellation = false;
target.RunWorkerAsync(null);
try
{
target.CancelAsync(); // this call throws exception
}
catch (InvalidOperationException ex)
{
context.Assert.Fail(ex);
}
context.Complete();
}
}
public void TestCancelAsyncWithoutCancellationSupport()
{
var bw = new BackgroundWorker() { WorkerSupportsCancellation = false };
Assert.Throws<InvalidOperationException>(() => bw.CancelAsync());
}
public void Stop()
{
bw.CancelAsync();
}
public void Dispose()
{
_bw?.CancelAsync();
}
private void OnInject(object sender, RoutedEventArgs args)
{
if (Context.InjectionMode)
{
if (!Utilities.IsRunningAsAdministrator()) // checks whether the app is running as administrator
{
MessageBox.Show("Administrative privileges is required in order to inject a DLL into a process!", "Libjector");
return;
}
if (_targetProcessId is null) // checks whether the target process is selected yet
{
MessageBox.Show("Select a target process before continuing!", "Libjector");
return;
}
if (DllList.SelectedItem is not DllItemModel dllItem) // checks whether the dll is selected yet
{
MessageBox.Show("Select a DLL before continuing!", "Libjector");
return;
}
try
{
if (Context.SelectedMethodIndex == 3)
{
var mappingFlags = MappingFlags.None;
if (Context.DiscardHeadersFlag)
{
mappingFlags |= MappingFlags.DiscardHeaders;
}
if (Context.SkipInitializationRoutinesFlag)
{
mappingFlags |= MappingFlags.SkipInitialisationRoutines;
}
_libraryMapper = new LibraryMapper(Process.GetProcessById(_targetProcessId.Value), dllItem.Path, mappingFlags);
_libraryMapper.MapLibrary();
}
else
{
var injectionFlags = InjectionFlags.None;
if (Context.HideDllFlag) // adds hide from peb flag
{
injectionFlags |= InjectionFlags.HideDllFromPeb;
}
if (Context.RandomizeHeadersFlag) // adds randomize headers flag
{
injectionFlags |= InjectionFlags.RandomiseDllHeaders;
}
if (Context.RandomizeNameFlag) // adds randomize name flag
{
injectionFlags |= InjectionFlags.RandomiseDllName;
}
var injectionMethod = Context.SelectedMethodIndex switch
{
1 => InjectionMethod.HijackThread,
2 => InjectionMethod.ManualMap,
_ => InjectionMethod.CreateThread
};
_injectorService?.Dispose(); // disposes any existing injector service
_injectorService = new Injector(_targetProcessId.Value, dllItem.Path, injectionMethod, injectionFlags);
_injectorService.InjectDll(); // injects dll into the target process
if (injectionFlags.HasFlag(InjectionFlags.HideDllFromPeb))
{
_injectorService.Dispose(); // disposes the injector service; if the specific flag is used
goto InjectionCompleted;
}
}
_processHandler?.Dispose(); // disposes any existing process handler
_processHandler = new BackgroundWorker {
WorkerSupportsCancellation = true
};
_processHandler.DoWork += delegate
{
try
{
using var process = Process.GetProcessById(_targetProcessId.Value);
process.WaitForExit(); // waits for the target process to exit
}
catch
{
// do nothing
}
};
_processHandler.RunWorkerCompleted += delegate
{
// disposes any existing services; as the target process has been closed
_injectorService?.Dispose();
_libraryMapper?.UnmapLibrary();
ToggleInjectionMode(true);
};
_processHandler.RunWorkerAsync(); // runs until the dll is ejected or the target process is closed
ToggleInjectionMode(false);
InjectionCompleted:
MessageBox.Show("The DLL has been injected into the process!", "Libjector");
}
catch (Exception exception)
{
MessageBox.Show("An error occurred while injecting! " + exception.Message, "Libjector");
}
}
else
{
try
{
_injectorService?.EjectDll();
_injectorService?.Dispose();
_libraryMapper?.UnmapLibrary();
}
catch (Exception exception)
{
MessageBox.Show("An error occurred while ejecting! " + exception.Message, "Libjector");
}
if (_processHandler?.IsBusy == true)
{
_processHandler?.CancelAsync(); // cancels the process handler; as the dll has been ejected
}
_processHandler?.Dispose();
ToggleInjectionMode(true);
MessageBox.Show("The DLL has been ejected from the process!", "Libjector");
}
}
private void SpeedTestForm_FormClosing(object sender, FormClosingEventArgs e)
{
autodetector?.Stop();
bwSpeedTestController?.CancelAsync();
}
public void Dispose()
{
listenerWorker?.CancelAsync();
listenWaiter?.Set();
//listenWaiter.Close();
}
private void DoWork(object sender, DoWorkEventArgs e)
{
List <AnimeEntry> m_aList = new List <AnimeEntry>();
double totalProcessedFiles = 0;
double totalFiles = int.Parse(new XPathDocument(xmlPath).CreateNavigator().Evaluate("count(//file)").ToString()) * 2;
using (XmlReader reader = XmlReader.Create(xmlPath))
{
reader.ReadToFollowing("mylist");
if (reader["template"] != "mini")
{
Dispatcher.Invoke(new Action(delegate
{
MessageBox.Show("Please ensure you selected a mylist export file that used the xml-mini template.",
"Invalid xml template!", MessageBoxButton.OK, MessageBoxImage.Error);
}));
xmlWorker.CancelAsync();
return;
}
// <anime>
while (reader.ReadToFollowing("anime"))
{
while (closePending)
{
Thread.Sleep(500);
}
AnimeEntry entry = new AnimeEntry();
entry.aid = int.Parse(reader["aid"]);
entry.type = reader["type"];
entry.year = reader["year"];
// <titles>
reader.ReadToFollowing("default");
entry.romaji = reader.ReadElementContentAsString();
Dispatcher.BeginInvoke(new Action(delegate { importFilePath.Text = String.Format("Reading: {0}", entry.title); }));
reader.ReadToFollowing("nihongo");
entry.nihongo = reader.ReadElementContentAsString().FormatNullable();
reader.ReadToFollowing("english");
entry.english = reader.ReadElementContentAsString().FormatNullable();
// </titles>
// <episodes>
if (!reader.ReadToFollowing("episodes"))
{
goto Finish;
}
entry.eps_total = int.Parse(reader["total"]);
XmlReader episodesReader = reader.ReadSubtree();
// <episode>
while (episodesReader.ReadToFollowing("episode"))
{
while (closePending)
{
Thread.Sleep(500);
}
EpisodeEntry episode = new EpisodeEntry();
episode.eid = int.Parse(episodesReader["eid"]);
episode.airdate = episodesReader["aired"] == "-" ? null :
UnixTimestamp.FromDateTime(DateTime.Parse(episodesReader["aired"],
System.Globalization.CultureInfo.CreateSpecificCulture("en-GB")));
episode.watched = Convert.ToBoolean(int.Parse(episodesReader["watched"]));
if (Regex.IsMatch(episodesReader["epno"].Substring(0, 1), @"\D"))
{
episode.spl_epno = episodesReader["epno"];
}
else
{
episode.epno = int.Parse(episodesReader["epno"]);
}
// <titles>
episodesReader.ReadToDescendant("english");
episode.english = episodesReader.ReadElementContentAsString();
episodesReader.ReadToFollowing("nihongo");
episode.nihongo = episodesReader.ReadElementContentAsString().FormatNullable();
episodesReader.ReadToFollowing("romaji");
episode.romaji = episodesReader.ReadElementContentAsString().FormatNullable();
// </titles>
// <files>
if (!episodesReader.ReadToFollowing("files"))
{
goto Finish;
}
XmlReader filesReader = episodesReader.ReadSubtree();
// <file>
while (filesReader.ReadToFollowing("file"))
{
while (closePending)
{
Thread.Sleep(500);
}
FileEntry file = new FileEntry();
file.fid = int.Parse(filesReader["fid"]);
file.lid = int.Parse(filesReader["lid"]);
file.watcheddate = filesReader["watched"] == "-" ? null :
UnixTimestamp.FromDateTime(DateTime.Parse(episodesReader["watched"],
System.Globalization.CultureInfo.CreateSpecificCulture("en-GB")));
file.watched = file.watcheddate != null;
file.generic = episodesReader["generic"] != null;
if (!file.generic) // generic entries do not have this information
{
int gid = 0;
if (filesReader["gid"] != null)
{
gid = int.Parse(filesReader["gid"]);
}
file.ed2k = filesReader["ed2k"];
file.length = double.Parse(filesReader["length"]);
file.size = double.Parse(filesReader["size"]);
file.source = filesReader["source"].FormatNullable();
file.acodec = ExtensionMethods.FormatAudioCodec(filesReader["acodec"].FormatNullable());
file.vcodec = ExtensionMethods.FormatVideoCodec(filesReader["vcodec"].FormatNullable());
file.vres = filesReader["vres"].FormatNullable();
if (gid != 0)
{
// <group_name>
filesReader.ReadToFollowing("group_name");
string group_name = filesReader.ReadElementContentAsString();
// </group_name>
// <group_abbr>
filesReader.ReadToFollowing("group_abbr");
string group_abbr = filesReader.ReadElementContentAsString();
// </group_abbr>
file.Group = new GroupEntry
{
gid = gid,
group_name = group_name,
group_abbr = group_abbr
};
}
}
episode.Files.Add(file);
importProgressBar.Dispatcher.BeginInvoke(new Action <double, double>((total, processed) =>
{
importProgressBar.Value = Math.Ceiling(processed / total * 100);
}), totalFiles, ++totalProcessedFiles);
// </file>
}
// </files>
filesReader.Close();
entry.Episodes.Add(episode);
// </episode>
}
// </episodes>
episodesReader.Close();
Finish:
m_aList.Add(entry);
// </anime>
}
// </mylist>
}
m_myList.OnEntryInserted += (aTitle) =>
{
importProgressBar.Dispatcher.BeginInvoke(new Action(delegate
{
importFilePath.Text = String.Format("Writing: {0}", aTitle);
importProgressBar.Value = Math.Ceiling(++totalProcessedFiles / totalFiles * 100);
}));
};
m_myList.InsertFromImport(m_aList);
}
private void buttonCancel_Click(object sender, EventArgs e)
{
_backgroundWorker.CancelAsync();
}
private void frmExport_FormClosing(object sender, FormClosingEventArgs e)
{
_workerJsonLoader.CancelAsync();
_workerXmlLoader.CancelAsync();
_workerXmlGenerator.CancelAsync();
}
public void StopWork()
{
Worker.CancelAsync();
}
private void MainWindow_Closed(object sender, EventArgs e)
{
worker.CancelAsync();
}
private void Timer1OnTick(object sender, EventArgs e)
{
DisplayPanelWatch.Text = DateTime.Now.ToShortTimeString();
DisplayPanelWatch.ForeColor = Color.Black;
DisplayPanelWatch.Visible = true;
DisplayPanelWatch.Font = new Font("Segoe UI Symbo", 12F, FontStyle.Regular);
try
{
_server.GetStatus();
DisplayPanelServerError.Text = string.Empty;
if (!Trends.Visible)
{
DisplayPanelWatch.Visible = true;
Trends.Visible = true;
//Toolbar.Visible = true;
DisplayPanel.Visible = Status;
DisplayPanelServerError.Visible = false;
_status = true;
}
if (_repConnectionWorker.IsBusy)
{
_repConnectionWorker.CancelAsync();
}
}
catch (Exception)
{
CheckTheConnectionStatus();
_status = false;
if (Trends.Visible)
{
Trends.Visible = false;
//Toolbar.Visible = false;
DisplayPanel.Visible = Status;
DisplayPanelServerError.Visible = false;
DisplayPanelWatch.Visible = false;
}
}
try
{
if (_status)
{
//Toolbar.Visible = true;
Trends.Visible = true;
DisplayPanel.Visible = Status;
OffConnectionDisplayPanelIndicator.Visible = false;
OnConnectionDisplayPanelIndicator.Visible = true;
OnConnectionDisplayPanelIndicator.ForeColor = Color.Black;
OnConnectionDisplayPanelIndicator.Font = new Font("Segoe UI Symbo", 12F, FontStyle.Regular);
DisplayPanelServerError.Visible = false;
DisplayPanelServerError.Text = string.Empty;
}
else
{
OffConnectionDisplayPanelIndicator.Visible = true;
DisplayPanelServerError.Visible = true;
OnConnectionDisplayPanelIndicator.Visible = false;
DisplayPanelServerError.Font = new Font("Segoe UI Symbo", 12F, FontStyle.Regular);
OffConnectionDisplayPanelIndicator.Font = new Font("Segoe UI Symbo", 12F, FontStyle.Regular);
DisplayPanelServerError.Text = @"| Ошибка соединения: Идет попытка востановления соединения, пожалуйста подождите";
DisplayPanel.ForeColor = Color.PaleVioletRed;
OffConnectionDisplayPanelIndicator.ForeColor = Color.PaleVioletRed;
}
}
catch (Exception)
{
}
}
public void CancelGame()
{
worker.CancelAsync();
}
private void stopButton_Click(object sender, EventArgs e)
{
_controller.SetCancelFlag(true);
_getImagesWorker?.CancelAsync();
SetImageCountText();
}
internal void Cancel()
{
Worker.CancelAsync();
Client.CancelAsync();
}
protected void CancelAsync()
{
_worker?.CancelAsync();
}
private void button1_Click(object sender, EventArgs e)
{
_worker = new BackgroundWorker();
_worker.WorkerSupportsCancellation = true;
_worker.DoWork += new DoWorkEventHandler((state, args) =>
{
int i = 0;
do
{
if (_worker.CancellationPending)
{
break;
}
switch (Pi[i])
{
case '1':
Player("Sounds/a1.wav");
break;
case '2':
Player("Sounds/a1s.wav");
break;
case '3':
Player("Sounds/b1.wav");
break;
case '4':
Player("Sounds/c1.wav");
break;
case '5':
Player("Sounds/c1s.wav");
break;
case '6':
Player("Sounds/c2.wav");
break;
case '7':
Player("Sounds/d1.wav");
break;
case '8':
Player("Sounds/e1.wav");
break;
case '9':
Player("Sounds/f1.wav");
break;
case '0':
Player("Sounds/g1.wav");
break;
default:
break;
}
i++;
} while (true);
});
if (button1.Text == "Start")
{
_worker.RunWorkerAsync();
button1.Text = "Stop";
}
else
{
_worker.CancelAsync();
button1.Text = "Start";
}
}
private void OnlineBackupLogin_FormClosing(object sender, FormClosingEventArgs e)
{
bw?.CancelAsync();
}
private void _cancelButton_Click(object sender, RoutedEventArgs e)
{
_worker.CancelAsync();
}
private void OnUnloaded(object sender, RoutedEventArgs e)
{
_backgroundWorker?.CancelAsync();
}
private void FormMain_FormClosing(object sender, FormClosingEventArgs e)
{
_backgroundWorker?.CancelAsync();
}
public void Dispose()
{
_bw?.CancelAsync();
_bw = null;
}
public void CancelSearch()
{
_worker?.CancelAsync();
}
public void TestCancelInsideDoWork()
{
var original = SynchronizationContext.Current;
try
{
SynchronizationContext.SetSynchronizationContext(null);
var bw = new BackgroundWorker() { WorkerSupportsCancellation = true };
var barrier = new Barrier(2);
bw.DoWork += (sender, e) =>
{
barrier.SignalAndWait();
barrier.SignalAndWait();
if (bw.CancellationPending)
{
e.Cancel = true;
}
};
bw.RunWorkerCompleted += (sender, e) =>
{
Assert.True(e.Cancelled);
barrier.SignalAndWait();
};
bw.RunWorkerAsync();
barrier.SignalAndWait();
bw.CancelAsync();
barrier.SignalAndWait();
Assert.True(barrier.SignalAndWait(TimeoutLong), "Background work timeout");
}
finally
{
SynchronizationContext.SetSynchronizationContext(original);
}
}
public void Close()
{
_eternalQueueListener?.CancelAsync();
_queueReader?.CancelAsync();
}
private void WindowClosing()
{
DisableElements();
_backgroundWorker?.CancelAsync();
EnableElements();
}
public void BackgroundWorker_CancelAsync_ReportsCancelledWhenWorkerSupportsCancellationIsTrue()
{
UnitTestContext context = GetContext();
int numTimesProgressCalled = 0;
BackgroundWorker target = new BackgroundWorker();
target.DoWork += (o, e) =>
{
// report progress changed 10 times
for (int i = 1; i < 11; i++)
{
Thread.Sleep(100);
if (target.CancellationPending)
{
e.Cancel = true;
return;
}
}
};
target.WorkerSupportsCancellation = true;
target.RunWorkerCompleted += (o, e) =>
{
// target does not support ReportProgress we shold get a System.InvalidOperationException from DoWork
context.Assert.IsNull(e.Error);
context.Assert.IsTrue(e.Cancelled);
context.Assert.Success();
};
target.RunWorkerAsync(null);
target.CancelAsync();
context.Complete();
}
public bool Stop()
{
if (_stopped)
{
return(_stopped);
}
_started = false;
_stopped = true;
try
{
if (_worker.WorkerSupportsCancellation)
{
_worker?.CancelAsync();
}
}
catch
{
// ignore
}
// in case any train is running
// let them reach their destination
var tasks = GetRunningRouteThreads();
if (tasks.Count > 0)
{
DoWorkWithModal(progress =>
{
for (;;)
{
var ts = GetRunningRouteThreads();
if (ts.Count == 0)
{
break;
}
int n = ts.Count;
if (n > 1)
{
progress.Report($"Wait for {ts.Count} trains which run for reaching their destination.");
}
else
{
progress.Report($"Wait for one train until it reaches its final destination.");
}
System.Threading.Thread.Sleep(250);
}
});
}
try
{
StopRouteThreads();
}
catch
{
// ignore
}
if (Stopped != null)
{
Stopped(this, null);
}
return(true);
}
public void StopServiceAsync()
{
_cameraWorker?.CancelAsync();
}
private void btnCancel_Click(object sender, EventArgs e)
{
importWorker?.CancelAsync();
}
public override void Stop()
{
_backgroundWorkerCleaning?.CancelAsync();
}
/// <summary>
/// Stop Indeterminate Progress Bar Animation.
/// </summary>
public void DoEnd()
{
IsRunning = false;
_bgTask?.CancelAsync();
_bgTask = null;
}
public void CancelAsyncNoCancellationSupported()
{
var backgroundWorker = new BackgroundWorker<object, object, object>();
Assert.IsFalse(backgroundWorker.IsBusy);
backgroundWorker.CancelAsync();
}