//HandleModelChanged public void HandleModelChanged() { _presentationModel.Draw(); _undo.IsEnabled = _model.IsUndoEnabled(); _redo.IsEnabled = _model.IsRedoEnabled(); }
//HandleModelChanged public void HandleModelChanged() { Invalidate(true); _undo.Enabled = _model.IsUndoEnabled(); _redo.Enabled = _model.IsRedoEnabled(); }