メニューを開く際に起きる例外に対応

git-svn-id: http://svn.sourceforge.jp/svnroot/tween/trunk@13 e39ad16e-3079-482e-bb30-4b4d378143b6

diff --git a/Tween/Tween.vb b/Tween/Tween.vb
index b1378f1..0b00cf0 100644 (file)
--- a/Tween/Tween.vb
+++ b/Tween/Tween.vb
@@ -2300,6 +2300,8 @@ Public Class TweenMain
     End Sub
 
     Private Sub ContextMenuStrip2_Opening(ByVal sender As System.Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles ContextMenuStrip2.Opening
+        If ListTab.SelectedTab Is Nothing Then Exit Sub
+        If _statuses Is Nothing OrElse _statuses.Tabs Is Nothing OrElse Not _statuses.Tabs.ContainsKey(ListTab.SelectedTab.Text) Then Exit Sub
         If _statuses.Tabs(ListTab.SelectedTab.Text).TabType = TabUsageType.DirectMessage Then
             FavAddToolStripMenuItem.Enabled = False
             FavRemoveToolStripMenuItem.Enabled = False