Extra check for GTK2.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16600 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index ad3161a7d5e8228c3b9967f0cf14cf768a6771ec..e66e9b1b9ce081f23492906bfc678a332987d8f7 100644 (file)
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -4267,6 +4267,7 @@ void wxWindowGTK::ScrollWindow( int dx, int dy, const wxRect* WXUNUSED(rect) )
 
     m_clipPaintRegion = FALSE;
 #else
+    wxCHECK_RET( GTK_PIZZA(m_wxwindow)->bin_window != NULL, wxT("window needs client area for scrolling") );
 
     gdk_window_scroll( GTK_PIZZA(m_wxwindow)->bin_window, dx, dy );
 

diff --git a/src/gtk1/window.cpp b/src/gtk1/window.cpp
index ad3161a7d5e8228c3b9967f0cf14cf768a6771ec..e66e9b1b9ce081f23492906bfc678a332987d8f7 100644 (file)
--- a/src/gtk1/window.cpp
+++ b/src/gtk1/window.cpp
@@ -4267,6 +4267,7 @@ void wxWindowGTK::ScrollWindow( int dx, int dy, const wxRect* WXUNUSED(rect) )
 
     m_clipPaintRegion = FALSE;
 #else
+    wxCHECK_RET( GTK_PIZZA(m_wxwindow)->bin_window != NULL, wxT("window needs client area for scrolling") );
 
     gdk_window_scroll( GTK_PIZZA(m_wxwindow)->bin_window, dx, dy );