Part: fix Sweep path selection

Fixes #4255
FreeCAD · Feb 13, 2020 · 3691f68 · 3691f68
1 parent 52c64d8
commit 3691f68
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Mod/Part/Gui/TaskSweep.cpp b/src/Mod/Part/Gui/TaskSweep.cpp
@@ -84,7 +84,7 @@ class SweepWidget::Private
         bool allow(App::Document* /*pDoc*/, App::DocumentObject*pObj, const char*sSubName)
         {
             if (pObj->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
-                if (!sSubName) {
+                if (!sSubName || sSubName[0] == '\0') {
                     // If selecting again the same edge the passed sub-element is empty. If the whole
                     // shape is an edge or wire we can use it completely.
                     const TopoDS_Shape& shape = static_cast<Part::Feature*>(pObj)->Shape.getValue();