From 9e3fd5e4311c2f6ad9e7734d3498632d802d1acc Mon Sep 17 00:00:00 2001
From: Kimura Youichi <kim.upsilon@bucyou.net>
Date: Sun, 23 Nov 2014 11:15:47 +0900
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 * https://sourceforge.jp/ticket/browse.php?group_id=6526&tid=34475
---
 OpenTween/Resources/ChangeLog.txt | 1 +
 OpenTween/Tween.cs                | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/OpenTween/Resources/ChangeLog.txt b/OpenTween/Resources/ChangeLog.txt
index 930e4d1e..64a0a997 100644
--- a/OpenTween/Resources/ChangeLog.txt
+++ b/OpenTween/Resources/ChangeLog.txt
@@ -20,6 +20,7 @@
  * FIX: 数万件のツイートを表示している状態でのCtrl+Aによる全選択が極端に遅くなる問題を修正
  * FIX: UserStreamsから時々不正なJSONが送られてくる問題への対処
  * FIX: ミュート機能がRecentタブで正しく動作していなかった不具合を修正
+ * FIX: 空のタブを表示した状態で Shift+H, Shift+M, Shift+L (画面上,中央,下のツイートを選択) を押下するとエラーが発生する不具合を修正
 
 ==== Ver 1.2.3(2014/09/03)
  * NEW: UserSteams の (un)mute イベント追加に対応
diff --git a/OpenTween/Tween.cs b/OpenTween/Tween.cs
index 899673ca..ced1cc8e 100644
--- a/OpenTween/Tween.cs
+++ b/OpenTween/Tween.cs
@@ -7169,6 +7169,9 @@ namespace OpenTween
 
         private void GoTopEnd(bool GoTop)
         {
+            if (_curList.VirtualListSize == 0)
+                return;
+
             ListViewItem _item;
             int idx;
 
@@ -7193,6 +7196,9 @@ namespace OpenTween
 
         private void GoMiddle()
         {
+            if (_curList.VirtualListSize == 0)
+                return;
+
             ListViewItem _item;
             int idx1;
             int idx2;
-- 
2.11.0