Tween.FormInfo.FormInfo_FormClosedにてSystem.NullReferenceExceptionが発生する問題に対応。

再現しないので手探りでNullチェックのみ。

git-svn-id: http://svn.sourceforge.jp/svnroot/tween/trunk@1092 e39ad16e-3079-482e-bb30-4b4d378143b6

diff --git a/Tween/FormInfo.vb b/Tween/FormInfo.vb
index b9cf136..634e3a9 100644 (file)
--- a/Tween/FormInfo.vb
+++ b/Tween/FormInfo.vb
@@ -155,8 +155,10 @@ Public Class FormInfo
     ' フォームを閉じたあとに親フォームが最前面にならない問題に対応
 
     Private Sub FormInfo_FormClosed(ByVal sender As System.Object, ByVal e As System.Windows.Forms.FormClosedEventArgs) Handles MyBase.FormClosed
-        Owner.TopMost = Not Owner.TopMost
-        Owner.TopMost = Not Owner.TopMost
+        If Owner IsNot Nothing AndAlso Owner.Created Then
+            Owner.TopMost = Not Owner.TopMost
+            Owner.TopMost = Not Owner.TopMost
+        End If
     End Sub
 End Class