X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8cfc5426cf50da368022813a04e29cf8ec5478a4..92f5ff59ccde20a9395084bb29c281ed6831b1b1:/include/wx/object.h

diff --git a/include/wx/object.h b/include/wx/object.h
index f6b11f8594..4603f3b123 100644
--- a/include/wx/object.h
+++ b/include/wx/object.h
@@ -175,6 +175,13 @@ wxObject* WXDLLEXPORT_CTORFN wxConstructorFor##name(void) \
         ? (className *)(obj) \
         : (className *)0)
 
+// The 'this' pointer is always true, so use this version to cast the this
+// pointer and avoid compiler warnings.
+#define wxDynamicThisCast(obj, className) \
+        (((obj)->IsKindOf(&className::sm_class##className)) \
+        ? (className *)(obj) \
+        : (className *)0)
+
 #define wxConstCast(obj, className) ((className *)(obj))
 
 #ifdef __WXDEBUG__