check for wxUSE_MDI which is needed by this code (patch 1656080)

[wxWidgets.git] / contrib / include / wx / gizmos / dynamicsash.h

diff --git a/contrib/include/wx/gizmos/dynamicsash.h b/contrib/include/wx/gizmos/dynamicsash.h
index 617463e76ceaa79caa7e8bd825a9b25b5eaa1771..2d5da5c8b0b72595a06fe873179bf83d945c54ef 100644 (file)
--- a/contrib/include/wx/gizmos/dynamicsash.h
+++ b/contrib/include/wx/gizmos/dynamicsash.h
@@ -15,6 +15,11 @@
 
 #include "wx/gizmos/gizmos.h"
 
+#if !wxUSE_MDI
+#    error "wxUSE_MDI must be defined for gizmos to compile."
+#endif /* !wxUSE_MDI */
+
+
 /*
 
     wxDynamicSashWindow