add const qualifiers

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52414 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2008-03-09 16:24:26 +00:00
parent 1fee6e2577
commit 328f5751e8
193 changed files with 2525 additions and 2513 deletions
--- a/interface/treebase.h
+++ b/interface/treebase.h
@@ -32,14 +32,14 @@ public:
    /**
        Returns @true if this instance is referencing a valid tree item.
    */
-    bool IsOk();
+    bool IsOk() const;

    //@{
    /**
        Operators for comparison between wxTreeItemId objects.
    */
-    void operator !();
-    bool operator ==(const wxTreeItemId& item);
-    bool operator !=(const wxTreeItemId& item);
+    void operator !() const;
+    const bool operator ==(const wxTreeItemId& item) const;
+    const bool operator !=(const wxTreeItemId& item) const;
    //@}
 };