/// <summary>
/// Creates the default ForegroundThreadData assuming that the current thread is the UI thread.
/// </summary>
/// <param name="defaultKind">The ForegroundThreadDataKind to fall back to if a UI thread cannot be found</param>
/// <returns>default ForegroundThreadData values</returns>
internal static ForegroundThreadData CreateDefault(ForegroundThreadDataKind defaultKind)
{
var kind = ForegroundThreadDataInfo.CreateDefault(defaultKind);
// None of the work posted to the foregroundTaskScheduler should block pending keyboard/mouse input from the user.
// So instead of using the default priority which is above user input, we use Background priority which is 1 level
// below user input.
var taskScheduler = new SynchronizationContextTaskScheduler(new DispatcherSynchronizationContext(Dispatcher.CurrentDispatcher, DispatcherPriority.Background));
return(new ForegroundThreadData(Thread.CurrentThread, taskScheduler, kind));
}
internal static ForegroundThreadData CreateDefault()
{
ForegroundThreadDataKind kind = SynchronizationContext.Current?.GetType().FullName == "System.Windows.Threading.DispatcherSynchronizationContext"
? ForegroundThreadDataKind.Wpf
: ForegroundThreadDataKind.Unknown;
// None of the work posted to the foregroundTaskScheduler should block pending keyboard/mouse input from the user.
// So instead of using the default priority which is above user input, we use Background priority which is 1 level
// below user input.
var taskScheduler = new SynchronizationContextTaskScheduler(new DispatcherSynchronizationContext(Dispatcher.CurrentDispatcher, DispatcherPriority.Background));
return(new ForegroundThreadData(Thread.CurrentThread, taskScheduler, kind));
}
