fix crash which happened if you called SetAttr(NULL) followed by SetAttr(attr) (#9567)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@54176 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2008-06-12 23:58:19 +00:00
parent 731330ec4c
commit a70517e979
1 changed files with 6 additions and 2 deletions
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -2590,8 +2590,12 @@ void wxGridCellAttrData::SetAttr(wxGridCellAttr *attr, int row, int col)
    int n = FindIndex(row, col);
    if ( n == wxNOT_FOUND )
    {
-        // add the attribute
-        m_attrs.Add(new wxGridCellWithAttr(row, col, attr));
+        if ( attr )
+        {
+            // add the attribute
+            m_attrs.Add(new wxGridCellWithAttr(row, col, attr));
+        }
+        //else: nothing to do
    }
    else
    {