added null pointer check and assert

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@49928 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/aui/auibook.cpp b/src/aui/auibook.cpp
index 113fb0c5c4119a9bec64307e7961cb148bdcab48..289faccafaa20ade519b7f6b1ae9a6688ce8dbc4 100644 (file)
--- a/src/aui/auibook.cpp
+++ b/src/aui/auibook.cpp
@@ -3064,6 +3064,10 @@ bool wxAuiNotebook::InsertPage(size_t page_idx,
                                bool select,
                                const wxBitmap& bitmap)
 {
                                bool select,
                                const wxBitmap& bitmap)
 {

+    wxASSERT_MSG(page, wxT("page pointer must be non-NULL"));
+    if (!page)
+        return false;
+    

     page->Reparent(this);
 
     wxAuiNotebookPage info;
     page->Reparent(this);
 
     wxAuiNotebookPage info;