public void SaveNavigation()
{
DebugWrite($"Frame: {FrameFacade.FrameId}");
if (CurrentPageType == null)
{
return;
}
var args = new CancelEventArgs <Type>(FrameFacade.CurrentPageType);
BeforeSavingNavigation?.Invoke(this, args);
if (args.Cancel)
{
return;
}
var state = FrameFacade.PageStateSettingsService(GetType());
if (state == null)
{
throw new InvalidOperationException("State container is unexpectedly null");
}
state.Write <string>("CurrentPageType", CurrentPageType.AssemblyQualifiedName);
state.Write <object>("CurrentPageParam", CurrentPageParam);
state.Write <string>("NavigateState", FrameFacade?.GetNavigationState());
}
bool RaiseBeforeSavingNavigation()
{
var args = new CancelEventArgs <Type>(CurrentPageType);
BeforeSavingNavigation?.Invoke(this, args);
return(args.Cancel);
}
void INavigationService2.RaiseBeforeSavingNavigation(out bool cancel)
{
var args = new CancelEventArgsEx <Type>(CurrentPageType);
BeforeSavingNavigation?.Invoke(this, args);
cancel = args.Cancel;
}
public async Task SaveAsync()
{
DebugWrite($"Frame: {FrameFacadeInternal.FrameId}");
if (CurrentPageType == null)
{
return;
}
var args = new CancelEventArgs <Type>(FrameFacadeInternal.CurrentPageType);
BeforeSavingNavigation?.Invoke(this, args);
if (args.Cancel)
{
return;
}
var state = FrameFacadeInternal.PageStateSettingsService(GetType().ToString());
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", FrameFacadeInternal?.NavigationService.NavigationState);
await Task.CompletedTask;
}
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();
}
