refs #30 - Sketch base GUI: create, draw lines

[modules/shaper.git] / src / XGUI / XGUI_Displayer.cpp

diff --git a/src/XGUI/XGUI_Displayer.cpp b/src/XGUI/XGUI_Displayer.cpp
index 73515eae779dc9ba8e501c4a2e8c13b9cbfddb40..7f6bb00d77885b772f7febee71cd8fac6d7fa6b7 100644 (file)
--- a/src/XGUI/XGUI_Displayer.cpp
+++ b/src/XGUI/XGUI_Displayer.cpp
@@ -247,7 +247,7 @@ void XGUI_Displayer::EraseDeletedFeatures(const bool isUpdateViewer)
   for (; aFIt != aFLast; aFIt++)
   {
     boost::shared_ptr<ModelAPI_Feature> aFeature = (*aFIt).first;
-    if (!aFeature || !aFeature->data()->isValid()) {
+    if (!aFeature || !aFeature->data() || !aFeature->data()->isValid()) {
       Handle(AIS_InteractiveObject) anAIS = (*aFIt).second;
       if (!anAIS.IsNull()) {
         aContext->Erase(anAIS, false);