private void btnPre_Click(object sender, EventArgs e) { var pre = HistoryImageProvider.Previous(image.Date); if (pre != null) { image = pre; WallpaperStoryForm_Load(sender, e); } }
public async void PreWallpaper() { if (CurrentWallpaper != null) { var newImage = HistoryImageProvider.Previous(this.CurrentWallpaper.Date); if (newImage != null) { this.CurrentWallpaper = newImage; await UpdateWallpaper(); } } }
private void JumpPre() { var pre = HistoryImageProvider.Previous(image.Date); if (pre != null) { image = pre; } else { image = HistoryImageProvider.Last(); } LoadImageAsync(); }
public async void PreWallpaper() { if (CurrentWallpaper != null) { var newImage = HistoryImageProvider.Previous(CurrentWallpaper.Date); if (newImage != null) { this.CurrentWallpaper = newImage; await UpdateWallpaper(); } else { MessageBox.Show("已经是第一张了\nAlready the first image"); } } }