public bool Restore()
{
MobileDebug.Service.WriteEvent("Restore1", restoreHistory.Select(f => f.PageTypeName));
//return false;
if (restoreHistory.Count == 0)
{
return(false);
}
HistoricFrame frame = restoreHistory.Dequeue();
HistoricFrameHandler handler = HistoricFrameHandler.GetHandler(frame.Page);
parameter = handler.FromHistoricParameter(frame.Parameter, library);
try
{
MobileDebug.Service.WriteEventPair("Restore2", "Page", frame.PageTypeName, "Parameter", parameter?.Value);
//rootFrame.Navigate(typeof(MobileDebug.DebugPage), null);
return(rootFrame.Navigate(frame.Page, parameter.Value));
}
catch (Exception e)
{
MobileDebug.Service.WriteEvent("RestoreFail", e, frame.PageTypeName, parameter.Value);
restoreHistory.Clear();
return(false);
}
}
private void SaveDataContext()
{
if (history.Count == 0)
{
return;
}
HistoricFrame frame = history.Last();
if (frame.Parameter.UseDataContext)
{
HistoricFrameHandler handler = HistoricFrameHandler.GetHandler(frame.Page);
frame.Parameter.DataContext = handler.ToHistoricDataContext(GetCurrentPage().DataContext);
}
}