Herald.Common.NavigationHelper.OnNavigatedTo C# (CSharp) Method

        public void OnNavigatedTo(NavigationEventArgs e)
        {
            var frameState = SuspensionManager.SessionStateForFrame(this.Frame);
            this._pageKey = "Page-" + this.Frame.BackStackDepth;

            if (e.NavigationMode == NavigationMode.New)
            {
                // 在向导航堆栈添加新页时清除向前导航的
                // 现有状态
                var nextPageKey = this._pageKey;
                int nextPageIndex = this.Frame.BackStackDepth;
                while (frameState.Remove(nextPageKey))
                {
                    nextPageIndex++;
                    nextPageKey = "Page-" + nextPageIndex;
                }

                // 将导航参数传递给新页
                if (this.LoadState != null)
                {
                    this.LoadState(this, new LoadStateEventArgs(e.Parameter, null));
                }
            }
            else
            {
                // 通过将相同策略用于加载挂起状态并从缓存重新创建
                // 放弃的页，将导航参数和保留页状态传递
                // 给页
                if (this.LoadState != null)
                {
                    this.LoadState(this, new LoadStateEventArgs(e.Parameter, (Dictionary<String, Object>)frameState[this._pageKey]));
                }
            }
        }