From 3d37b8c72a1abb9abacee74b1f71ab982c2bae88 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sun, 25 Mar 2018 00:33:21 +0100
Subject: [PATCH] Reuse wxBookCtrlBase::DeleteAllPages() in wxNotebook

Don't duplicate the base class code unnecessarily.

No real changes.
---
 src/gtk1/notebook.cpp    |  1 -
 src/msw/notebook.cpp     | 10 +---------
 src/osx/notebook_osx.cpp |  5 ++---
 3 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/src/gtk1/notebook.cpp b/src/gtk1/notebook.cpp
index 79f6cb8ba8..7a11bc1c20 100644
--- a/src/gtk1/notebook.cpp
+++ b/src/gtk1/notebook.cpp
@@ -586,7 +586,6 @@ bool wxNotebook::DeleteAllPages()
 
     wxASSERT_MSG( GetPageCount() == 0, wxT("all pages must have been deleted") );
 
-    InvalidateBestSize();
     return wxNotebookBase::DeleteAllPages();
 }
 
diff --git a/src/msw/notebook.cpp b/src/msw/notebook.cpp
index 4ba23c88a7..62899bc39b 100644
--- a/src/msw/notebook.cpp
+++ b/src/msw/notebook.cpp
@@ -622,19 +622,11 @@ wxNotebookPage *wxNotebook::DoRemovePage(size_t nPage)
 // remove all pages
 bool wxNotebook::DeleteAllPages()
 {
-    size_t nPageCount = GetPageCount();
-    size_t nPage;
-    for ( nPage = 0; nPage < nPageCount; nPage++ )
-        delete m_pages[nPage];
-
-    m_pages.Clear();
+    wxBookCtrlBase::DeleteAllPages();
 
     if ( !TabCtrl_DeleteAllItems(GetHwnd()) )
         wxLogLastError(wxS("TabCtrl_DeleteAllItems()"));
 
-    m_selection = wxNOT_FOUND;
-
-    InvalidateBestSize();
     return true;
 }
 
diff --git a/src/osx/notebook_osx.cpp b/src/osx/notebook_osx.cpp
index 29391e583c..fc94045154 100644
--- a/src/osx/notebook_osx.cpp
+++ b/src/osx/notebook_osx.cpp
@@ -199,11 +199,10 @@ wxNotebookPage* wxNotebook::DoRemovePage(size_t nPage)
 // remove all pages
 bool wxNotebook::DeleteAllPages()
 {
-    WX_CLEAR_ARRAY(m_pages);
+    wxBookCtrlBase::DeleteAllPages();
+
     m_images.clear();
     MacSetupTabs();
-    m_selection = wxNOT_FOUND ;
-    InvalidateBestSize();
 
     return true;
 }