added support for saving grey and grey-red PNG images (patch 985447)

[wxWidgets.git] / include / wx / dir.h

diff --git a/include/wx/dir.h b/include/wx/dir.h
index 4a49f7c6bc9db6619efc6aa012482725ccb1b4e4..dba3313204bd0e7c4f316dc2f7d19e9c05e6486b 100644 (file)
--- a/include/wx/dir.h
+++ b/include/wx/dir.h
@@ -54,6 +54,8 @@ enum wxDirTraverseResult
 class WXDLLIMPEXP_BASE wxDirTraverser
 {
 public:
+    /// a virtual dtor has been provided since this class has virtual members
+    virtual ~wxDirTraverser() { }
     // called for each file found by wxDir::Traverse()
     //
     // return wxDIR_STOP or wxDIR_CONTINUE from here (wxDIR_IGNORE doesn't
@@ -104,7 +106,7 @@ public:
     // open the directory for enumerating
     bool Open(const wxString& dir);
 
-    // returns TRUE if the directory was successfully opened
+    // returns true if the directory was successfully opened
     bool IsOpened() const;
 
     // get the full name of the directory (without '/' at the end)
@@ -114,7 +116,7 @@ public:
     // -------------------------
 
     // start enumerating all files matching filespec (or all files if it is
-    // empty) and flags, return TRUE on success
+    // empty) and flags, return true on success
     bool GetFirst(wxString *filename,
                   const wxString& filespec = wxEmptyString,
                   int flags = wxDIR_DEFAULT) const;