From 2f3969724b0b25d7d8e239fc0d7265446bf508bf Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Thu, 13 Nov 2014 01:52:05 +0000
Subject: [PATCH] Remove assert checking for non zero page size in
 wxDataViewCtrl.

This assert seems to be quite useless and can be triggered if a key is
(perhaps accidentally) sent to a small (e.g. not yet fully laid out)
wxDataViewCtrl window.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78146 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/generic/datavgen.cpp | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index 48d0487cde..5be1656e61 100644
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -3627,10 +3627,6 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
         return;
     }
 
-    // don't use m_linesPerPage directly as it might not be computed yet
-    const int pageSize = GetCountPerPage();
-    wxCHECK_RET( pageSize, wxT("should have non zero page size") );
-
     switch ( event.GetKeyCode() )
     {
         case WXK_RETURN:
@@ -3756,11 +3752,11 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
             break;
 
         case WXK_PAGEUP:
-            OnVerticalNavigation(event, -(pageSize - 1));
+            OnVerticalNavigation(event, -(GetCountPerPage() - 1));
             break;
 
         case WXK_PAGEDOWN:
-            OnVerticalNavigation(event, +(pageSize - 1));
+            OnVerticalNavigation(event, +(GetCountPerPage() - 1));
             break;
 
         default: