\func{virtual bool}{Cleared}{\void}
-Called to inform the model that all data has been deleted.
+Called to inform the model that all data has been cleared. The
+control will reread the data from the model again.
\membersection{wxDataViewModel::Compare}\label{wxdataviewmodelcompare}
See also \helpref{HasDefaultCompare}{wxdataviewmodelhasdefaultcompare}.
+\membersection{wxDataViewModel::GetAttr}\label{wxdataviewmodelgetattr}
+
+\func{bool}{GetAttr}{\param{const wxDataViewItem\& }{item}, \param{unsigned int }{col}, \param{wxDataViewItemAttr\& }{attr}}
+
+Oberride this to indicate that the item has special font attributes.
+This only affects the
+\helpref{wxDataViewTextRendererText}{wxdataviewtextrendererattr} renderer.
+
+See also \helpref{wxDataViewItemAttr}{wxdataviewitemattr}.
+
\membersection{wxDataViewModel::GetColumnCount}\label{wxdataviewmodelgetcolumncount}
\constfunc{virtual unsigned int}{GetColumnCount}{\void}