X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/60d6c7fd37c9fbe3b3ebd1f440a1473abc3f8568..2a263bbbd7111248564e1c45ef6a28600b77acaf:/src/generic/treelist.cpp

diff --git a/src/generic/treelist.cpp b/src/generic/treelist.cpp
index a82a2a9237..18cb193d18 100644
--- a/src/generic/treelist.cpp
+++ b/src/generic/treelist.cpp
@@ -758,7 +758,12 @@ const wxString& wxTreeListModel::GetItemText(Node* item, unsigned col) const
     // empty string we can return reference to.
     wxCHECK_MSG( item, m_root->m_text, "Invalid item" );
 
-    return col == 0 ? item->m_text : item->GetColumnText(col);
+    // Notice that asking for the text of a column of an item that doesn't have
+    // any column texts is not an error so we simply return an empty string in
+    // this case.
+    return col == 0 ? item->m_text
+                    : item->HasColumnsTexts() ? item->GetColumnText(col)
+                                              : m_root->m_text;
 }
 
 void wxTreeListModel::SetItemText(Node* item, unsigned col, const wxString& text)
@@ -1654,7 +1659,7 @@ wxWindow* wxTreeListCtrl::GetView() const
 // wxTreeListEvent implementation
 // ============================================================================
 
-wxIMPLEMENT_ABSTRACT_CLASS(wxTreeListEvent, wxNotifyEvent)
+wxIMPLEMENT_DYNAMIC_CLASS(wxTreeListEvent, wxNotifyEvent)
 
 #define wxDEFINE_TREELIST_EVENT(name) \
     wxDEFINE_EVENT(wxEVT_COMMAND_TREELIST_##name, wxTreeListEvent)