private object SendCallback(UIStep uiStep, AutomationCallbackResult callback, bool withResponse = false)
{
callback.CallbackUID = Guid.NewGuid();
callback.ContextType = this.ContextType;
if (callback.Data is UIAutomationCallbackData)
(callback.Data as UIAutomationCallbackData).LayoutFilter = GetLayoutFilter(uiStep);
_callbackResponse = null;
if (withResponse)
{
using (_waitHandler = new AutoResetEvent(false))
{
_proceduresThreads.GetOrAdd(callback.CallbackUID, this);
ProcedureExecutionContext.SendCallback(callback, GetClientUID(uiStep));
if (!_waitHandler.WaitOne(TimeSpan.FromMinutes(1)))
CallbackResponse(callback.CallbackUID, null);
}
}
else
ProcedureExecutionContext.SendCallback(callback, GetClientUID(uiStep));
return _callbackResponse;
}
private List<Guid> GetLayoutFilter(UIStep uiStep)
{
return uiStep == null || uiStep.LayoutFilter == null || uiStep.LayoutFilter.Count == 0 ? null : uiStep.LayoutFilter;
}
private Guid? GetClientUID(UIStep uiStep)
{
return uiStep == null || uiStep.ForAllClients ? null : (Guid?)ClientUID;
}