public async Task SaveAsync()
{
// save navigation state into settings
DebugWrite($"Frame: {FrameFacade.FrameId}");
if (CurrentPageType == null)
{
return;
}
if (RaiseBeforeSavingNavigation())
{
return;
}
var frameState = Suspension.GetFrameState();
if (frameState == null)
{
throw new InvalidOperationException("State container is unexpectedly null");
}
frameState.Write <string>("CurrentPageType", CurrentPageType.AssemblyQualifiedName);
frameState.Write <object>("CurrentPageParam", CurrentPageParam);
frameState.Write <string>("NavigateState", FrameFacade.GetNavigationState());
await Task.CompletedTask;
}
public void SaveNavigation()
{
DebugWrite($"Frame: {FrameFacade.FrameId}");
if (CurrentPageType == null)
{
return;
}
var args = new CancelEventArgs <Type>(FrameFacade.CurrentPageType);
BeforeSavingNavigation?.Invoke(this, args);
if (args.Cancel)
{
return;
}
var state = FrameFacade.PageStateSettingsService(GetType());
if (state == null)
{
throw new InvalidOperationException("State container is unexpectedly null");
}
state.Write <string>("CurrentPageType", CurrentPageType.AssemblyQualifiedName);
state.Write <object>("CurrentPageParam", CurrentPageParam);
state.Write <string>("NavigateState", FrameFacade?.GetNavigationState());
}
public void SaveNavigation()
{
if (CurrentPageType == null)
{
return;
}
var args = new CancelEventArgs <Type>(FrameFacade.CurrentPageType);
BeforeSavingNavigation?.Invoke(this, args);
if (args.Cancel)
{
return;
}
var state = FrameFacade.PageStateContainer(GetType());
if (state == null)
{
throw new InvalidOperationException("State container is unexpectedly null");
}
state["CurrentPageType"] = CurrentPageType.AssemblyQualifiedName;
state["CurrentPageParam"] = ParameterSerializationService.Instance.SerializeParameter(CurrentPageParam);
state["NavigateState"] = FrameFacade?.GetNavigationState();
}
public void SaveNavigation()
{
var state = State(GetType());
state["CurrentPageType"] = CurrentPageType.ToString();
state["CurrentPageParam"] = CurrentPageParam;
state["NavigateState"] = _frame.GetNavigationState();
}
public async Task <bool> RefreshAsync()
{
return(await NavigationOrchestratorAsync(CurrentPageType, CurrentPageParam, NavigationMode.Refresh, () =>
{
Windows.ApplicationModel.Resources.Core.ResourceContext.GetForCurrentView().Reset();
FrameFacade.SetNavigationState(FrameFacade.GetNavigationState());
return true;
}));
}
public void SaveNavigation()
{
var state = FrameFacade.PageStateContainer(GetType());
if (state == null)
{
throw new InvalidOperationException("State container is unexpectedly null");
}
state["CurrentPageType"] = CurrentPageType?.ToString();
state["CurrentPageParam"] = CurrentPageParam;
state["NavigateState"] = FrameFacade?.GetNavigationState();
}
public void SaveNavigation()
{
var state = FrameFacade.PageStateContainer(GetType());
if (state == null)
{
throw new InvalidOperationException("State container is unexpectedly null");
}
state["CurrentPageType"] = CurrentPageType.ToString();
try { state["CurrentPageParam"] = CurrentPageParam; }
catch
{
throw new Exception("Failed to serialize page parameter, override/implement ToString()");
}
state["NavigateState"] = FrameFacade?.GetNavigationState();
}
public async Task <bool> RefreshAsync(object param)
{
return(await NavigationOrchestratorAsync(CurrentPageType, param, NavigationMode.Refresh, () =>
{
try
{
Windows.ApplicationModel.Resources.Core.ResourceContext.GetForCurrentView().Reset();
FrameFacade.SetNavigationState(FrameFacade.GetNavigationState());
return true;
}
catch (Exception ex)
{
// Catch and ignore exceptions
DebugWrite(ex.Message, Severities.Error);
return false;
}
}));
}