Same as \helpref{wxArtProvider::GetBitmap}{wxartprovidergetbitmap}, but
return a wxIcon object (or wxNullIcon on failure).
+\func{static wxSize}{GetSizeHint}{\param{const wxArtClient\& }{client}, \param{bool }{platform\_default = false}}
+
+Returns a suitable size hint for the given {\it wxArtClient}. If
+{\it platform\_default} is \true, return a size based on the current platform,
+otherwise return the size from the topmost wxArtProvider. {\it wxDefaultSize} may be
+returned if the client doesn't have a specified size, like wxART\_OTHER for example.
+
\membersection{wxArtProvider::PopProvider}\label{wxartproviderctor}
\func{static bool}{PopProvider}{\void}