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Pattern for implementing sync methods in terms of non-parallell Task (Translating/Unwrapping AggregateExceptions)

CallAsync().Wait();

}

catch( AggregateException ae)

{

    throw ae.Flatten().First()

       

void Call( )

{

    try

    {

        CallAsync().Wait();

    }

    catch ( AggregateException ex )

    {

        var translated = ex.InnerException ?? ex.Flatten().InnerExceptions.First();

        if ( translated == null )

            throw;

        throw translated;                 }

}

 

Task CallAsync(){ ...

       

void Call()

{

    try

    {

        CallAsync().Wait();

    }

    catch (AggregateException ex)

    {

        throw new MyConsistentWrapperException("An exception occurred while executing my workflow. Check the inner exception for more details.", ex.Flatten().InnerExceptions.First());

    }

}

       

void Call()

{

    try

    {

        CallAsync().Wait();

    }

    catch (AggregateException ex)

    {

        ExceptionDispatchInfo.Capture(ex.Flatten().InnerExceptions.First()).Throw();

    }

}