public bool RestoreSavedNavigation()
{
DebugWrite($"Frame: {FrameFacade.FrameId}");
try
{
var state = FrameFacade.PageStateSettingsService(GetType());
if (state == null || !state.Exists("CurrentPageType"))
{
return(false);
}
FrameFacade.CurrentPageType = Type.GetType(state.Read <string>("CurrentPageType"));
FrameFacade.CurrentPageParam = state.Read <object>("CurrentPageParam");
FrameFacade.SetNavigationState(state.Read <string>("NavigateState"));
NavigateTo(NavigationMode.Refresh, FrameFacade.CurrentPageParam);
while (Frame.Content == null)
{
Task.Yield().GetAwaiter().GetResult();
}
AfterRestoreSavedNavigation?.Invoke(this, FrameFacade.CurrentPageType);
return(true);
}
catch { return(false); }
}
public async Task <bool> LoadAsync()
{
DebugWrite($"Frame: {FrameFacadeInternal.FrameId}");
try
{
var state = FrameFacadeInternal.PageStateSettingsService(GetType().ToString());
if (state == null || !state.Exists("CurrentPageType"))
{
return(false);
}
FrameFacadeInternal.CurrentPageType = Type.GetType(state.Read <string>("CurrentPageType"));
FrameFacadeInternal.CurrentPageParam = state.Read <object>("CurrentPageParam");
FrameFacadeInternal.NavigationService.NavigationState = state.Read <string>("NavigateState");
await NavigateToAsync(NavigationMode.Refresh, FrameFacadeInternal.CurrentPageParam);
while (FrameFacadeInternal.Frame.Content == null)
{
await Task.Delay(1);
}
AfterRestoreSavedNavigation?.Invoke(this, FrameFacadeInternal.CurrentPageType);
return(true);
}
catch { return(false); }
}
public bool RestoreSavedNavigation()
{
try
{
var state = FrameFacade.PageStateContainer(GetType());
if (state == null || !state.Any() || !state.ContainsKey("CurrentPageType"))
{
return(false);
}
FrameFacade.CurrentPageType = Type.GetType(state["CurrentPageType"].ToString());
FrameFacade.CurrentPageParam = DeserializePageParam(state["CurrentPageParam"]?.ToString());
FrameFacade.SetNavigationState(state["NavigateState"]?.ToString());
NavigateTo(NavigationMode.Refresh, FrameFacade.CurrentPageParam);
while (Frame.Content == null)
{
Task.Yield().GetAwaiter().GetResult();
}
AfterRestoreSavedNavigation?.Invoke(this, FrameFacade.CurrentPageType);
return(true);
}
catch
{
return(false);
}
}
public bool RestoreSavedNavigation()
{
try
{
var state = FrameFacade.PageStateContainer(GetType());
FrameFacade.CurrentPageType = Type.GetType(state["CurrentPageType"].ToString());
FrameFacade.CurrentPageParam = state["CurrentPageParam"];
FrameFacade.SetNavigationState(state["NavigateState"].ToString());
NavigateTo(NavigationMode.Refresh, FrameFacade.CurrentPageParam);
while (Frame.Content == null) /* wait */ } {
AfterRestoreSavedNavigation?.Invoke(this, EventArgs.Empty);
return(true);
}
/// <summary>
/// Restores the saved navigation state.
/// </summary>
/// <returns>Returns True for success, else False.</returns>
public bool RestoreSavedNavigation()
{
try
{
var state = FrameFacade.GetPageStateContainer(GetType());
if (state == null || !state.Any() || !state.ContainsKey(CURRENT_PAGE_TYPE_KEY))
{
return(false);
}
string currentPageType = state[CURRENT_PAGE_TYPE_KEY].ToString();
Type pageTypeOfAppAssembly = Type.GetType(string.Format("{0}, {1}", currentPageType, UniversalApp.AppAssemblyName));
FrameFacade.CurrentPageType = pageTypeOfAppAssembly;
FrameFacade.CurrentPageParam = state[CURRENT_PAGE_PARAM_KEY];
FrameFacade.SetNavigationState(state[NAVIGATE_STATE_KEY].ToString());
while (FrameFacade.Frame.Content == null) /* wait */ } {
AfterRestoreSavedNavigation?.Invoke(this, FrameFacade.CurrentPageType);
return(true);
}
void RaiseAfterRestoreSavedNavigation() => AfterRestoreSavedNavigation?.Invoke(this, CurrentPageType);
