From 09a78c77d065ad3a321d8469d59e1837f0e16fe4 Mon Sep 17 00:00:00 2001
From: Artur Wieczorek <artwik@wp.pl>
Date: Sun, 24 May 2015 20:33:00 +0200
Subject: [PATCH] Fix assertion statement in
 wxPropertyGridManager::GetPageRoot.

Simple wxASSERT should be replaced with wxCHECK_MSG to return NULL if index is out range.
---
 src/propgrid/manager.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/propgrid/manager.cpp b/src/propgrid/manager.cpp
index 1e5af7a898..18f4dbbefc 100644
--- a/src/propgrid/manager.cpp
+++ b/src/propgrid/manager.cpp
@@ -1122,8 +1122,9 @@ bool wxPropertyGridManager::IsPropertySelected( wxPGPropArg id ) const
 
 wxPGProperty* wxPropertyGridManager::GetPageRoot( int index ) const
 {
-    wxASSERT( index >= 0 );
-    wxASSERT( index < (int)m_arrPages.size() );
+    wxCHECK_MSG( (index >= 0) && (index < (int)m_arrPages.size()),
+                 NULL,
+                 wxT("invalid page index") );
 
     return m_arrPages[index]->GetStatePtr()->m_properties;
 }