public void GetQuestionnaireTemplatesAsync(Action <IOperationResult <IEnumerable <QuestionnaireTemplate> > > callback)
{
this.service.BeginGetQuestionnaireTemplates(
(ar) =>
{
OperationResult <IEnumerable <QuestionnaireTemplate> > operationResult = new OperationResult <IEnumerable <QuestionnaireTemplate> >();
try
{
operationResult.Result = service.EndGetQuestionnaireTemplates(ar);
}
catch (Exception ex)
{
operationResult.Error = ex;
}
synchronizationContext.Post(
(state) =>
{
callback(operationResult);
},
null);
},
null);
}