X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c724444f7e612f244cdb97bfa9e28177d11d046d..83a7ab5c711237d32068cce4c82b7e16808d5614:/include/wx/propgrid/propgridpagestate.h

diff --git a/include/wx/propgrid/propgridpagestate.h b/include/wx/propgrid/propgridpagestate.h
index 64a2475d2d..f895366389 100644
--- a/include/wx/propgrid/propgridpagestate.h
+++ b/include/wx/propgrid/propgridpagestate.h
@@ -234,7 +234,8 @@ private:
     } \
     const CLASS& operator=( const CLASS& it ) \
     { \
-        Assign(it); \
+        if (this != &it) \
+            Assign(it); \
         return *this; \
     } \
     CLASS& operator++() { Next(); return *this; } \
@@ -359,9 +360,12 @@ public:
 #ifndef SWIG
     const wxPGVIterator& operator=( const wxPGVIterator& it )
     {
-        UnRef();
-        m_pIt = it.m_pIt;
-        m_pIt->IncRef();
+        if (this != &it)
+        {
+            UnRef();
+            m_pIt = it.m_pIt;
+            m_pIt->IncRef();
+        }
         return *this;
     }
 #endif