X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/42e69d6b435a4dd5415caf3750db62cf45b6f373..1318fabeb4df18bf0c6f045f5598a4e16ea5fd85:/include/wx/msw/treectrl.h

diff --git a/include/wx/msw/treectrl.h b/include/wx/msw/treectrl.h
index 429aa6983e..b9b401cdbc 100644
--- a/include/wx/msw/treectrl.h
+++ b/include/wx/msw/treectrl.h
@@ -15,6 +15,7 @@
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
+
 #ifdef __GNUG__
     #pragma interface "treectrl.h"
 #endif
@@ -24,14 +25,10 @@
 #include "wx/textctrl.h"
 
 #ifdef __GNUWIN32__
-#  ifdef GetFirstChild
-#    undef GetFirstChild
-#  endif
-
-#  ifdef GetNextSibling
-#    undef GetNextSibling
-#  endif
-#endif
+    // Cygwin windows.h defines these identifiers
+    #undef GetFirstChild
+    #undef GetNextSibling
+#endif // Cygwin
 
 // the type for "untyped" data
 typedef long wxDataType;