/// <summary>
        /// Open from ProjectViewItem.
        /// </summary>
        /// <param name="projectViewItem"> The ProjectViewItem. </param>
        public async void OpenFromProjectViewItem(IProjectViewItem projectViewItem)
        {
            this.LoadingControl.State    = LoadingState.Loading;
            this.LoadingControl.IsActive = true;

            //FileUtil
            string name = projectViewItem.Name;

            if (name == null || name == string.Empty)
            {
                this.LoadingControl.IsActive = false;
                this.LoadingControl.State    = LoadingState.FileNull;
                await Task.Delay(800);

                this.LoadingControl.State = LoadingState.None;
                return;
            }


            await FileUtil.DeleteInTemporaryFolder();

            bool isExists = await FileUtil.MoveAllAndReturn(name);

            if (isExists == false)
            {
                this.LoadingControl.IsActive = false;
                this.LoadingControl.State    = LoadingState.FileCorrupt;
                await Task.Delay(800);

                this.LoadingControl.State = LoadingState.None;
                return;
            }


            //Load all photos file.
            Photo.Instances.Clear();
            IEnumerable <Photo> photos = XML.LoadPhotosFile();

            if (photos != null)
            {
                foreach (Photo photo in photos)
                {
                    await photo.ConstructPhotoSource(this.ViewModel.CanvasDevice);

                    Photo.Instances.Add(photo);
                }
            }

            //Load all layers file.
            LayerBase.Instances.Clear();
            IEnumerable <ILayer> layers = XML.LoadLayersFile(this.ViewModel.CanvasDevice);

            if (layers != null)
            {
                foreach (ILayer layer in layers)
                {
                    LayerBase.Instances.Add(layer);
                }
            }

            //Load project file.
            Project project = XML.LoadProjectFile(name);

            if (project == null)
            {
                this.LoadingControl.IsActive = false;
                this.LoadingControl.State    = LoadingState.LoadFailed;
                await Task.Delay(800);

                this.LoadingControl.State = LoadingState.None;
                return;
            }

            this.ViewModel.LoadFromProject(project);
            this.SelectionViewModel.SetMode(this.ViewModel.LayerageCollection);//Selection


            //Transition
            TransitionData data = new TransitionData
            {
                Type       = TransitionType.Transition,
                SourceRect = projectViewItem.GetVisualRect(Window.Current.Content),
                PageSize   = new Size(this.ActualWidth, this.ActualHeight - 50)
            };

            this.LoadingControl.State    = LoadingState.None;
            this.LoadingControl.IsActive = false;
            this.Frame.Navigate(typeof(DrawPage), data);//Navigate
        }