MemoryImageMediaItem.CopyToメソッドの処理を書き直し

MemoryStream.WriteToメソッドを使えば開始位置を戻しておく必要がない

diff --git a/OpenTween/MediaItem.cs b/OpenTween/MediaItem.cs
index ba81f49..e36ed5a 100644 (file)
--- a/OpenTween/MediaItem.cs
+++ b/OpenTween/MediaItem.cs
@@ -192,8 +192,7 @@ namespace OpenTween
 
         public void CopyTo(Stream stream)
         {
-            this._image.Stream.Seek(0, SeekOrigin.Begin);
-            this._image.Stream.CopyTo(stream);
+            this._image.Stream.WriteTo(stream);
         }
 
         protected virtual void Dispose(bool disposing)