private static DispatcherPriority ConvertPriority(AppDispatcherPriority priority)
{
switch (priority)
{
case AppDispatcherPriority.Normal:
return(DispatcherPriority.Normal);
case AppDispatcherPriority.High:
return(DispatcherPriority.Send);
case AppDispatcherPriority.Low:
return(DispatcherPriority.Background);
default:
throw new ArgumentOutOfRangeException(nameof(priority), priority, null);
}
}
private DispatcherOperation InternalInvoke(Action action, AppDispatcherPriority priority, CancellationToken cancellationToken)
{
return(Dispatcher.InvokeAsync(action, ConvertPriority(priority), cancellationToken));
}
public void InvokeAsync(Action action, AppDispatcherPriority priority = AppDispatcherPriority.Normal, CancellationToken cancellationToken = new CancellationToken())
{
InternalInvoke(action, priority, cancellationToken);
}
public Task InvokeTaskAsync(Action action, AppDispatcherPriority priority = AppDispatcherPriority.Normal, CancellationToken cancellationToken = new CancellationToken())
{
return(InternalInvoke(action, priority, cancellationToken).Task);
}
private Task InternalInvoke(Action action, AppDispatcherPriority priority, CancellationToken cancellationToken)
{
return(Dispatcher.UIThread.InvokeAsync(action, ConvertPriority(priority)));
}
