wxCHECK_MSG( model, 0, "Valid model in data source does not exist." );
return model->IsContainer(wxDataViewItemFromItem(item));
}
-(NSInteger) outlineView:(NSOutlineView*)outlineView numberOfChildrenOfItem:(id)item
{
wxCHECK_MSG( model, 0, "Valid model in data source does not exist." );
return model->IsContainer(wxDataViewItemFromItem(item));
}
-(NSInteger) outlineView:(NSOutlineView*)outlineView numberOfChildrenOfItem:(id)item
{