avoid moving the list control unnecessarily

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@34821 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/generic/listbkg.cpp b/src/generic/listbkg.cpp
index e3208c261119e26208228a21931c241f5aacf26a..fdbe49e578eb03699bcc87a5d00d64220fdebf6c 100644 (file)
--- a/src/generic/listbkg.cpp
+++ b/src/generic/listbkg.cpp
@@ -241,7 +241,8 @@ void wxListbook::OnSize(wxSizeEvent& event)
     // vertical and horizontal scrollbar (with one of them being added because
     // the other one is not accounted for in client size computations)
     m_list->Arrange();
     // vertical and horizontal scrollbar (with one of them being added because
     // the other one is not accounted for in client size computations)
     m_list->Arrange();

-    m_list->Move(posList.x, posList.y);
+    if ( m_list->GetPosition() != posList )
+        m_list->Move(posList.x, posList.y);

     m_list->SetClientSize(sizeList.x, sizeList.y);
 
 #if wxUSE_LINE_IN_LISTBOOK
     m_list->SetClientSize(sizeList.x, sizeList.y);
 
 #if wxUSE_LINE_IN_LISTBOOK