made wxHeaderCtrl::GetColumn() const to get rid of the const_cast<>s

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57380 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2008-12-17 00:11:57 +00:00
parent af67f39da8
commit 482d06f8b5
6 changed files with 10 additions and 14 deletions
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -230,7 +230,7 @@ public:
    }

 protected:
-    virtual wxHeaderColumn& GetColumn(unsigned int idx)
+    virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
    {
        return m_columns[idx];
    }