Don't crash if no scrollbar

Force wxVSCROLL in wxRTC git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@59295 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2009-03-03 13:12:52 +00:00
parent 87ebb0b789
commit 6d595f3d7a
2 changed files with 5 additions and 0 deletions
--- a/src/gtk/scrolwin.cpp
+++ b/src/gtk/scrolwin.cpp
@@ -44,6 +44,9 @@ void wxScrollHelper::DoAdjustScrollbar(GtkRange* range,
                                       int *lines,
                                       int *linesPerPage)
 {
+    if (!range)
+        return;
+
    int upper;
    int page_size;
    if (pixelsPerLine > 0 && winSize > 0 && winSize < virtSize)