Applied patch #561454, testing for scrollbar

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15705 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2002-05-29 08:31:59 +00:00
parent feaca34f34
commit c4cb3d0f0c
1 changed files with 3 additions and 2 deletions
--- a/src/motif/window.cpp
+++ b/src/motif/window.cpp
@@ -817,8 +817,9 @@ int wxWindow::GetScrollRange(int orient) const
    Widget scrollBar = (Widget)GetScrollbar((wxOrientation)orient);
    wxCHECK_MSG( scrollBar, 0, "no such scrollbar" );

-    int range;
-    XtVaGetValues(scrollBar, XmNmaximum, &range, NULL);
+    int range = 0;
+    if (scrollBar) 
+        XtVaGetValues(scrollBar, XmNmaximum, &range, NULL);
    return range;
 }