From 47c82b4b9cfe1002ed142ae7315a1b0867c5fb17 Mon Sep 17 00:00:00 2001
From: =?utf8?q?V=C3=A1clav=20Slav=C3=ADk?= <vslavik@fastmail.fm>
Date: Sun, 7 Oct 2012 16:49:28 +0000
Subject: [PATCH] Fix wxGenericCollapsiblePane to expand frame's size.

wxGenericCollapsiblePane::DoGetBestSize() is dynamic, returning
different values for collapsed and open states. Therefore the control
must invalidate best sizes cache every time its state changes.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72625 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/generic/collpaneg.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/generic/collpaneg.cpp b/src/generic/collpaneg.cpp
index dc9874f98c..d0fd7bfdb2 100644
--- a/src/generic/collpaneg.cpp
+++ b/src/generic/collpaneg.cpp
@@ -190,6 +190,8 @@ void wxGenericCollapsiblePane::Collapse(bool collapse)
     if ( IsCollapsed() == collapse )
         return;
 
+    InvalidateBestSize();
+
     // update our state
     m_pPane->Show(!collapse);
 
-- 
2.45.2