X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/198c264dbcf226b5df0eed219aef30d6fdc38a71..da8b1d4b3b535aba94d04494f5b6e2b3e47901ee:/include/wx/bitmap.h

diff --git a/include/wx/bitmap.h b/include/wx/bitmap.h
index a287777b68..f861b3354a 100644
--- a/include/wx/bitmap.h
+++ b/include/wx/bitmap.h
@@ -176,7 +176,7 @@ public:
     virtual wxBitmap GetSubBitmap(const wxRect& rect) const = 0;
 
     // Convert to disabled (dimmed) bitmap.
-    wxBitmap ConvertToDisabled(unsigned char brightness = 255);
+    wxBitmap ConvertToDisabled(unsigned char brightness = 255) const;
 
     virtual bool SaveFile(const wxString &name, wxBitmapType type,
                           const wxPalette *palette = NULL) const = 0;