From 2d44be31f7c1f47159d6cd3f15eda24b2e149b31 Mon Sep 17 00:00:00 2001
From: ww-rm <ww-rm@qq.com>
Date: Tue, 25 Mar 2025 23:34:35 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96Bitmap=E8=8E=B7=E5=8F=96?=
 =?UTF-8?q?=E8=BF=87=E7=A8=8B?=
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---
 SpineViewer/Controls/SpineListView.cs | 4 +---
 SpineViewer/Exporter/ExportHelper.cs  | 2 +-
 SpineViewer/Spine/Spine.cs            | 2 +-
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/SpineViewer/Controls/SpineListView.cs b/SpineViewer/Controls/SpineListView.cs
index b2cfa59..f9ca8a5 100644
--- a/SpineViewer/Controls/SpineListView.cs
+++ b/SpineViewer/Controls/SpineListView.cs
@@ -500,10 +500,8 @@ namespace SpineViewer.Controls
                 foreach (int i in listView.SelectedIndices)
                 {
                     var spine = spines[i];
-                    var image = spine.Preview;
                     var path = Path.Combine(Program.TempDir, $"{spine.ID}.png");
-                    using (var clone = new Bitmap(image))
-                        clone.Save(path);
+                    spine.Preview.Save(path);
                     fileDropList.Add(path);
                 }
             }
diff --git a/SpineViewer/Exporter/ExportHelper.cs b/SpineViewer/Exporter/ExportHelper.cs
index fa6fced..c75fa49 100644
--- a/SpineViewer/Exporter/ExportHelper.cs
+++ b/SpineViewer/Exporter/ExportHelper.cs
@@ -72,7 +72,7 @@ namespace SpineViewer.Exporter
         {
             image.SaveToMemory(out var imgBuffer, "bmp");
             using var stream = new MemoryStream(imgBuffer);
-            return new(new Bitmap(stream));
+            return new(new Bitmap(stream)); // 必须重复构造一个副本才能摆脱对流的依赖, 否则之后使用会报错
         }
     }
 
diff --git a/SpineViewer/Spine/Spine.cs b/SpineViewer/Spine/Spine.cs
index e239bb8..ded889b 100644
--- a/SpineViewer/Spine/Spine.cs
+++ b/SpineViewer/Spine/Spine.cs
@@ -380,7 +380,7 @@ namespace SpineViewer.Spine
                     using var img = tex.Texture.CopyToImage();
                     img.SaveToMemory(out var imgBuffer, "bmp");
                     using var stream = new MemoryStream(imgBuffer);
-                    preview = new Bitmap(stream);
+                    preview = new Bitmap(new Bitmap(stream)); // 必须重复构造一个副本才能摆脱对流的依赖, 否则之后使用会报错
                 }
                 return preview;
             }