diff --git a/common/wxdataviewctrl_helpers.cpp b/common/wxdataviewctrl_helpers.cpp index 5e1ed258cf..a9cd9ba8b6 100644 --- a/common/wxdataviewctrl_helpers.cpp +++ b/common/wxdataviewctrl_helpers.cpp @@ -42,20 +42,29 @@ wxDataViewItem GetPrevItem( wxDataViewCtrl const& aView, wxDataViewItem const& a wxDataViewItem GetNextItem( wxDataViewCtrl const& aView, wxDataViewItem const& aItem ) { wxDataViewItem nextItem; + wxDataViewItem invalid; if( !aItem.IsOk() ) { // No selection. Select the first. wxDataViewItemArray children; aView.GetModel()->GetChildren( aItem, children ); - return children[0]; + + if( children.size() ) + return children[0]; + + return invalid; } if( aView.IsExpanded( aItem ) ) { wxDataViewItemArray children; aView.GetModel()->GetChildren( aItem, children ); - nextItem = children[0]; + + if( children.size() ) + return children[0]; + + return invalid; } else {