public static void RunSync(Action a)
{
if (isUnitTestingMode)
{
a();
return;
}
Exception exn = null;
Debug.Assert(ctxt != null, "The SynchronizationContext must be captured before calling this method");
// Send on UI thread will execute immediately.
#pragma warning disable VSTHRD001 // Avoid legacy thread switching APIs
ctxt.Send(ignore =>
#pragma warning restore VSTHRD001 // Avoid legacy thread switching APIs
{
try
{
UIThread.MustBeCalledFromUIThread();
a();
}
catch (Exception e)
{
exn = e;
}
}, null
);
if (exn != null)
{
// throw exception on calling thread, preserve stacktrace
if (!exn.Data.Contains(WrappedStacktraceKey))
{
exn.Data[WrappedStacktraceKey] = exn.StackTrace;
}
throw exn;
}
}
public static void Unregister(uint n)
{
UIThread.MustBeCalledFromUIThread();
taskReporters.Remove(n);
}