make IsOk() virtual to allow it to be overridden in e.g. wxEnhMetaFile (replaces patch 1896222)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51900 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2008-02-18 23:58:09 +00:00
parent 8949ba7d74
commit 4decd6afa5
1 changed files with 1 additions and 1 deletions
--- a/include/wx/gdiobj.h
+++ b/include/wx/gdiobj.h
@@ -36,7 +36,7 @@ class WXDLLIMPEXP_CORE wxGDIObject : public wxObject
 {
 public:
    // checks if the object can be used
-    bool IsOk() const
+    virtual bool IsOk() const
    {
        // the cast here is safe because the derived classes always create
        // wxGDIRefData objects