preload animate bar

Pixiview/Illust/ViewIllustPage.xaml.cs

@@ -131,6 +131,7 @@ namespace Pixiview.Illust
 
             if (illust != null)
             {
+                IsAnimateSliderVisible = illust.IsAnimeVisible;
                 LoadIllust(illust);
             }
         }
@@ -352,9 +353,6 @@ namespace Pixiview.Illust
                 }
             }
 
-            var isAnime = illustItem.IllustType == IllustType.Anime;
-            IsAnimateSliderVisible = isAnime;
-
             Task.Run(() => DoLoadImage(0, true));
             if (items.Length > 1)
             {
@@ -363,7 +361,7 @@ namespace Pixiview.Illust
                     DoLoadImage(i);
                 });
             }
-            else if (isAnime)
+            else if (illustItem.IsAnimeVisible)
             {
                 // anime
                 ugoiraData = Stores.LoadIllustUgoiraData(illustItem.Id);